Loading recommendations for this item...

Sorry, we're having trouble showing recommendations right now. Please try again later.

$19.99

+ $16.04 Shipping & Import Fees Deposit to Finland Details

This item ships to Finland. Get it by Wednesday, June 19 - Wednesday, June 26 Choose this date at checkout. Learn more

In Stock.

Ships from and sold by Amazon.com.

Gift-wrap available.

Deliver to Finland

Added to

Unable to add item to List. Please try again.

Other Sellers on Amazon

Used & new (18) from $19.99 Details

Have one to sell? Sell on Amazon

VIDEO

Image Unavailable

Image not available for
Color:

P3 P4400 Kill A Watt Electricity Usage Monitor

by P3

4,458 customer reviews

| 293 answered questions

in Electrical Meter Sockets

Price:

$19.99 + $16.04 Shipping & Import Fees Deposit to Finland Details

Size: Original

This fits your .

Make sure this fits by entering your model number.

Choose from the Kill-a-Watt's four settings to monitor your electrical usage
Monitor your electrical usage by day, week, month, or year
Features easy-to-read screen
Electricity usage monitor connects to appliances and assesses efficiency
Large LCD display counts consumption by the kilowatt-hour
Calculates electricity expenses by the day, week, month, or year
Displays volts, amps, and wattage within 0.2 - 2.0percent accuracy
Compatible with inverters; designed for use with AC 115-volt appliances

› See more product details

Used & new (18) from $19.99 Details

There is a newer model of this item:

P3 International P4460 Kill A Watt EZ Electricity Usage Monitor
$25.91
(1,572)
In Stock.

Frequently bought together

Total price: $44.79

These items are shipped from and sold by different sellers. Show details

Buy the selected items together

This item:P3 P4400 Kill A Watt Electricity Usage Monitor $19.99
In Stock.
Ships from and sold by Amazon.com.
FREE Shipping on orders over $25. Details
First Alert Radon Gas Test Kit, RD1 $13.98
In Stock.
Ships from and sold by Amazon.com.
FREE Shipping on orders over $25. Details
Half-Chrome Light Bulb - Incandescent Light Bulbs 60 Watt - A19 Shape - E26 Medium Base - 120 Volt… $10.82
In Stock.
Sold by GoodBulb and ships from Amazon Fulfillment.
FREE Shipping on orders over $25. Details

Customers who viewed this item also viewed

Page 1 of 1 Start overPage 1 of 1

This shopping feature will continue to load items. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading.

Special offers and product promotions

Size: Original

Amazon Connected Home
Learn how to watch over your home and control your lights and heating from anywhere through helpful videos and FAQs at Amazon Connected Home.

WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Have a question?

Find answers in product info, Q&As, reviews

Please make sure that you are posting in the form of a question.

Don't see what you're looking for?

There was a problem completing your request. Please try your search again later.

All Product Information Customer Q&A's Customer Reviews

From the manufacturer

Electricity Usage Monitor

It's no secret that electricity bills are on the rise. With the P3 P4400 you can cut your energy costs and find out what appliances are actually worth keeping plugged in by finding power-wasting appliances. Simply connect any appliance to the Kill A Watt EZ, it will then assess how efficient each appliance really is.

Kill A Watt EZ Power Monitor

Calculate your homes cumulative electrical expenses and forecast by the day, week, month, even an entire year. Also check the quality of your power by monitoring Voltage, Line Frequency, and Power Factor. Now you’ll know if it is time for a new refrigerator or if that old air conditioner is still saving you money. With the amazing Kill A Watt EZ you’ll know 'Watts' killing you.

Save on Your Electricity Bills

Unique Features

Easy to read large LCD screen
Accurate within 0.2%
Calculates cost and forecasts by week, month and year
Displays eight critical unites of measurements
Built in Battery Backup

Technical Specifications

Model: P4400

Operating Voltage: 115 VAC

Max Voltage: 125 VAC

Max Current: 15 A<

Max Power: 1875 VA

Weight: 5 oz

Dimensions: 5 1/8″ H x 2 3/8″ W x 1 5/8″ D

Kill A WATT EZ Power Monitor

Model P4400

With the P4460 you can easily identify which appliance in your home is costing you the most money. The Power Monitor also allows you to enter your Utility providers cost of electricity so you can monitor and pinpoint what each appliance is costing you.

Founded in 1987, P3 International is a privately owned manufacturer of solution oriented consumer products. For the last twenty five years we have strived to develop products that are easy to use and ahead of their time.

We are committed to manufacturing high quality products that appeal to a variety of different people, from the environmentally conscious to the more technologically minded consumer. With this philosophy driving us we are always looking for innovative new products which we can offer our customers.

WARNING: California’s Proposition 65

Product description

Size:Original

Amazon.com

Empowers You to Save Hundreds on Electric Bills

Electricity bills are rising. Now you can cut down on costs and find out what appliances are actually worth keeping plugged in. Simply connect these appliances to the Kill A Watt, and it will assess how efficient they really are. The large LCD display counts consumption by the kilowatt-hour, the same as your local utility. You can calculate your electrical expenses by the day, week, month, even an entire year. Also check the quality of your power by monitoring voltage, line frequency, and power factor. Now you will know if it is time for a new refrigerator or if that old air conditioner is still saving you money. Kill A Watt can help you reduce your power bill and will help find power-wasting appliances so you are able to decide whether it is worth keeping them plugged in. For standard 115 VAC appliances only, 15 amps maximum, 125 VAC maximum.

Find Out How Much Electricity You're Using

The U.S Department of Energy reports that 20% of our electric bills come from items that are left plugged in when they are not in use, or items that are in standby mode. With the Kill A Watt P4400 we can monitor the energy eaters in our homes and cut down our electric bills at the same time. Plug whatever item you want into the device and it will tell you the efficiency of that item by displaying the kilowatt per hour. This device will help you determine which items are costing you the most to run. The Kill A Watt also calculates voltage, line frequency, current, and power factor. You can calculate your electric bill before you even receive it from the electric company.

Test The Quality of Your Home's Power

But measuring appliance consumption is just the tip of the iceberg. Because it can monitor voltage (Volt) and line frequency it can also test if an outlet is working, or evaluate the quality of the electrical power provided by your utility company. It can detect voltage drops around the house, help to predict brownout conditions or to make sure a new home's outlets are in working condition before escrow closes.

About P3 International

Founded in 1987, P3 International is a privately owned manufacturer of solution oriented consumer products. For the last twenty years they have strived to develop products that are easy to use and ahead of their time. Thanks to their customer-centric attitude and support from their clients, they have experienced steady growth over the past decade.

They are committed to manufacturing high quality products that appeal to a variety of different people, from the environmentally conscious to the more technologically-minded consumer. With this philosophy driving them they are always looking for innovative new products which they can offer their customers.

Their unique products have garnered much attention, in particular the Kill A Watt. Reviews of P3 products have been featured in newspapers such as The New York Times and The Wall Street Journal.

Technical Specifications

Accuracy: +/- 0.2%

Input Power: 115 volts AC, 60 Hz

Max Current: 15 amps

Max Voltage: 125 volts

Max Power: 1875 VA

Dimensions: 5.1 inches long x 1.6 inches thick x 2.4 inches wide

Approvals: ETL (c), ETL (us)

Origin: China

Manufacturer Warranty: 6 months

Product information

Size:Original

Technical Details

Part Number

P4400

Item Weight

0.32 ounces

Product Dimensions

8.4 x 2.1 x 6.1 inches

California residents

Click here for Proposition 65 warning

Item model number

LGP4400

Size

Original

Color

Ivory

Style

1 Pack - Model P4400

Material

Other

Power Source

air-powered

Voltage

115 volts

Amperage Capacity

15 A

Item Package Quantity

Number Of Pieces

Maximum Weight Capacity

8 Ounces

Display Style

LCD

Certification

Special Features

Portable

Usage

personal

Included Components

usage monitor

Batteries Included?

Batteries Required?

Warranty Description

1 Year Limited

Technical Specification

Specification Sheet [pdf ]

User Manual [pdf ]

Additional Information

ASIN

B00009MDBU

Customer Reviews

4,458 customer reviews

4.2 out of 5 stars

Best Sellers Rank

#798 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#1 in Electrical Meter Sockets

Shipping Weight

5.6 ounces (View shipping rates and policies)

Domestic Shipping

Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.

International Shipping

This item can be shipped to select countries outside of the U.S. Learn More

Date First Available

October 2, 2001

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

Feedback

If you are a seller for this product, would you like to suggest updates through seller support?

Would you like to tell us about a lower price?

Important information

Legal Disclaimer

Warranty does not cover misuse of product.

4,458 customer reviews

Review this product

Write a customer review

Showing 1-8 of 4,458 reviews

There was a problem filtering reviews right now. Please try again later.

D. White

beware of using with inverter power... a few seconds of modified sine wave killed mine off

July 14, 2017

Size: OriginalVerified Purchase

The standard by which all other power meters are judged. Can't go wrong with one of these, buy one.

at least, i THOUGHT you couldn't go wrong. But I just plugged mine into a 110v AC source which came from an inverter in a solar PV system, and the "modified sine wave" seems to have immediately fried it. It now is dead as a doornail.

So this is a little easter egg for those who actually read the reviews on devices with scads of reviews. Beware of using with modified wave (cheap) inverters. Worked fine with my pure sine wave inverter. Wish there had been instructions noting that it requires a pure sine wave.

210 people found this helpful

Helpful

Comment

S. Locke

I am disappointed.

June 4, 2018

Size: OriginalVerified Purchase

I bought this in Oct 2017 and really have not used it much. Today I tried to measure the watt usage on a small AC unit. The ground pin on the 4400 came off. A call to tech support didn't help. They said it was out of warranty. I opened the unit up and cannot tell if the ground pin is screwed in or soldered. Not very strong in any event. I am disappointed. It should be noted that the ground pin is not connected to the circuit involved in the measurement. It actually just sits there. That said, it's a little unnerving to have your meter "fall apart". The ground pin should be substantial since it helps stabilize the meter while in use. Still disappointed. It may still work but that does not make my review any higher.
Update: After further examination, it appears that the ground was press fitted into the little circuit board. Not good at all. There wasn't much holding it onto the circuit board. It was going to fail for sure.

89 people found this helpful

Helpful

Comment

Ryerson

Big fan - except that the UL certification isn't there anymore and there's no replacement/customer support available.

November 29, 2017

Size: OriginalVerified Purchase

Rightly so, a continuous load of 1600W (max is 1800w) managed to kill it. I've checked and it seems that thermal fuse is blown. I've sent an email for a warranty replacement, but I'm not optimistic.

Update - no response after weeks. The products failure below it's rated design seems awfully suspicious. Especially given that the fuse in question is supposed to be reset when it cool down sufficiently. Seems like they cheaper out on the fuses. Be ready to treat these disposably.

101 people found this helpful

Helpful

Comment

Steven Lee

They should rename these units disposable single use monitors, already fried 2

March 17, 2018

Size: OriginalVerified Purchase

They should put a disclaimer on these, they are NOT meant for continuous monitoring of anything greater than 1400 watts or so. This thing fried after 3 days of continuous monitoring of 1475 watts. Even though they say the max is 1875VA, it won't monitor that for long. If you put anything close to 1800watts thru this it will likely melt the unit or the fuse. What this can do is check how much wattage you are using for a baseline then disconnect it.

86 people found this helpful

Helpful

Comment

Stephen Throop

Six years ago...

August 11, 2017

Size: OriginalVerified Purchase

I bought a P4400 in 2011. It showed which household items were power vampires, some using as much power off as on. I could switch them off with power strips or unplug them when not needed.

By measuring the power consumption of internet-related equipment, I could estimate how much time a given UPS could give me in the event of a power failure.

I kept a spreadsheet of wattage of various items under different conditions, to help future troubleshooting. When my internet speeds slowed down, the P4400 showed me the culprit. The power consumption of the $4 power supply of my VOIP telephone adapter was abnormally high.

For the refrigerator, I measured KWH per day for a summer kitchen temperature and for a winter kitchen temperature. After that, the P4400 could show me if the refrigerator was still operating as efficiently, or maybe I needed to check for dust or ice.

If a refrigerator wasn’t cooling, the P4400 was a quick way to see if the compressor was drawing current.

Last year, I bought a smart charger for car batteries. It had no ammeter. Clipping in a multimeter would have risked a short, a disconnection, or damage to the meter. I plugged the charger into my P4400, and with the multimeter, I determined how many watts the charger needed for each amp out. Then I didn’t need the multimeter. By showing me input wattage, KWH, and time, the P4400 let me know output amps, amp hours, and charging time.

The other day, my P4400 was in the engine compartment of a truck as I charged the battery. In case of an unexpected shower, the hood was up only three inches. In a sudden, heavy shower, enough drops blew through the crack to wet the P4400. It still gave credible wattage readings, but not KWH or amps.

I bought another one immediately. The P4400 has proved its value.

Update: Last year I bought an electric chainsaw. I finally got around to using the P4400 to see if the manufacturer's horsepower claims are true. Apparently so. It also showed me how much voltage I was losing by using 150 feet of extension cords. The flashing display of the P4400 warned me that the current could damage it if I ran the saw more than a few seconds.

The manufacture recommends 14 gauge cord or larger. My cords aren't marked. To test, I used an electric skillet. Unlike the saw, it's a resistive load, and it doesn't draw enough current to endanger the meter. First I plugged the P4400 into an outlet and plugged the skillet into the P4400. I noted the voltage drop when I turned it on. Then I plugged an extension cord into the outlet and plugged the P4400 and skillet into the cord. I noted the voltage drop and the amps.

I subtracted the voltage drop at the outlet from the voltage drop at the end of the cord to determine how many volts I was losing in the cord. Dividing that by the amps gave me ohms. In the cord, current runs through the hot and the neutral in series, so the path is twice the length of the cord. To get ohms per foot, I divided the ohms by twice the cord length.

Knowing ohms per foot, I could look up the gauge online. My cords are 16 gauge. I can probably get 2.5 horsepower with them. I might get 2.75 horsepower if I upgraded to 14 gauge cords. I'm satisfied with 16 gauge.

39 people found this helpful

Helpful

Comment

James

Melted.

July 5, 2017

Size: OriginalVerified Purchase

I used it on my computer and it nearly melted. Computer was drawing 11 amps max and this device is rated to 15. Don't trust this with high currents for long amounts of time.

102 people found this helpful

Helpful

Comment

David

Died after a week or so of use

January 5, 2018

Size: OriginalVerified Purchase

Completely died after a week or two of use. Nothing shows on the screen, and there no power is going to the appliance. Appliance still works fine plugging it in directly, without the Kill a Watt. Good thing I wasn't on vacation with fridge plugged into it, everything would have been spoiled.

22 people found this helpful

Helpful

Comment

Set up an Amazon Giveaway

Amazon Giveaway allows you to run promotional giveaways in order to create buzz, reward your audience, and attract new followers and customers. Learn more about Amazon Giveaway

This item: P3 P4400 Kill A Watt Electricity Usage Monitor

Set up a giveaway

Customers also shopped for

Page 1 of 1 Start overPage 1 of 1

This shopping feature will continue to load items. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading.

Pages with related products. See and discover other items: electronics test equipment, energy monitoring, dim lighting, farm tools and equipment, product lighting, test plugs

Price		$19.99
AmazonGlobal Shipping	+	$16.04
Estimated Import Fees Deposit	+	$0.00

Total		$36.03
Learn more

Added to Cart

Not Added

Item is in your Cart

Not Added

Shipping & Fee Details

Sorry, there was a problem.

Sorry, there was a problem.

Other Sellers on Amazon

P3 P4400 Kill A Watt Electricity Usage Monitor

Shipping & Fee Details

There is a newer model of this item:

Frequently bought together

Sponsored products related to this item

Customers who viewed this item also viewed

Special offers and product promotions

Amazon Connected Home

Have a question?

From the manufacturer

Electricity Usage Monitor

Kill A Watt EZ Power Monitor

User Friendly and Easy to Install

Save on Your Electricity Bills

Unique Features

Technical Specifications

Kill A WATT EZ Power Monitor

Model P4400

Product description

Amazon.com

Empowers You to Save Hundreds on Electric Bills

Find Out How Much Electricity You're Using

Technical Specifications

Product information

Technical Details

Technical Specification

Additional Information

Warranty & Support

Feedback

Related Video Shorts

Related videos (6)

Important information

Sponsored products related to this item

4,458 customer reviews

Review this product

Customer images

Read reviews that mention

Showing 1-8 of 4,458 reviews

There was a problem filtering reviews right now. Please try again later.

Set up an Amazon Giveaway

Customers also shopped for