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  • First Alert SA720CN Smoke Alarm Photoelectric Sensor with Escape Light
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First Alert SA720CN Smoke Alarm Photoelectric Sensor with Escape Light


List Price: $29.99
Price: $17.47 & FREE Shipping on orders over $35. Details
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  • Photoelectric sensor smoke alarm with bright escape light; ideal for cooking areas
  • Features convenient silence/test button, blinking power light, 85-decibel alarm
  • Also includes side battery drawer and missing battery guard
  • Low battery warning and tamper resistant
  • 9-volt battery included
See more product details
24 new from $10.00 2 used from $15.05

Frequently Bought Together

First Alert SA720CN Smoke Alarm Photoelectric Sensor with Escape Light + Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm + First Alert SA320CN Double Sensor Battery-Powered Smoke and Fire Alarm
Price for all three: $63.59

Buy the selected items together


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Product Information

Technical Details
Part Number SA720CN
Item Weight0.3 ounces
Product Dimensions5 x 5 x 2 inches
OriginMade in USA or Imported
Item model numberSA720CN
Batteries:1 9V batteries required. (included)
ColorWhite
FinishWhite
MaterialSynthetic
Power Sourcebattery-powered
Item Package Quantity1
Batteries Included?Yes
Batteries Required?Yes
Warranty Description» 10-Years Limited Warranty
  
Technical Specification
Additional Information
ASINB000PFNCHI
Best Sellers Rank #12,638 in Home Improvement (See top 100)
Shipping Weight0.3 ounces (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableSeptember 14, 2004
  
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Product Description

Amazon.com

Featuring state-of-the-art technology that provides you and your family with an early warning of household fire, the First Alert SA720CN Photoelectric Sensor Smoke Alarm with Escape Light is an effective device designed to be the first line of defense in your household's fire-safety plan. This UL-listed alarm detects the presence of smoke and fire, while also providing a source of light to help guide you safely outside.


SA720CN Smoke Alarm Photoelectric Sensor
At a Glance:
  • Detects smoke/fire and provides a source of light
  • Uses photoelectric sensing technology to detect smoldering fires
  • Reduces false alarms
  • Tamper-resistant design with optional theft-prevention lock
  • Mute/test button for convenient, reliable operation


WHERE TO PLACE SAFETY PRODUCTS:

Smoke Alarms: 1 in every bedroom and at least 1 on every level of the home.

Carbon Monoxide Alarms: 1 on every level of the home and 1 in each sleeping area.

Fire Extinguishers: 1 on every level of the home and 1 each in the kitchen and garage.



Escape light activates with the alarm and helps you see the path to safety. View larger.


Where does carbon monoxide come from?
Smoke Alarms Save Lives
Fire is a serious threat to every household; it can strike anywhere, any time. The frightening truth is that in 2005, there were nearly 381,000 home fires in the U.S., resulting in over 16,000 casualties. Thankfully, smoke alarms like the SA720CN help to reduce the risk of death in a household fire by up to 50 percent. The more smoke alarms you have installed in your home, the higher the chance you'll be alerted to a fire in time to escape.

Smoke/Fire Detection and Escape Light Get You to Safety
The SA720CN smoke alarm alerts you to smoke and fire with a loud 85-decibel alarm. An escape light located right on the unit activates with the alarm and helps you see the path to safety. Many mistakenly believe that fires burn bright enough to sufficiently illuminate enclosed areas. In truth, fires often burn very dark, making it difficult for you to see a clear path out of harm's way. That's why the escape light is so vital; it provides the necessary illumination you need to get yourself and your family outside as quickly as possible.

Innovative Photoelectric Sensing Technology Detects Even Slow, Smoldering Fires
The SA720CN alarm uses photoelectric sensing technology, which is generally more sensitive than commonly used ionization technology, to detect large smoke particles. Large smoke particles tend to be produced in greater amounts by slow-to-burn fires (often caused by cigarettes burning in couches or bedding), which may smolder for hours before bursting into flame.

An added bonus, photoelectric sensing technology reduces false alarms like those caused by cooking smoke and shower steam.

As easy to operate as it is effective, the SA720CN boasts patented OptiPath technology, which provides 360-degrees of direct access to the smoke sensor. Additionally, a mute button quickly silences false alarms for up to 15 minutes and also doubles as an alarm test button.

Advanced Features Test, Protect, and Monitor Battery Power
Because smoke alarms are only as effective as their batteries, the SA720CN comes equipped with features that protect its battery (included) and make it clear when the battery needs replaced.

First, an easy-access side battery drawer makes it a snap to change the battery without removing the alarm from the wall or ceiling. A blinking power indicator confirms that the unit is receiving power, and an alarm will chirp once per minute when the battery needs to be replaced.

Additionally, a battery-guard drawer resists closing unless the battery is inside, and an optional theft-prevention lock secures the alarm when activated, so that the battery and/or alarm cannot be removed without proper tools, preventing children or others from compromising the alarm's ability to detect smoke and fire.

The SA720CN comes with a 10-year limited warranty.

What's in the Box
Smoke alarm, user's manual, and nine-volt battery.




Selecting a First Alert
Smoke Alarm
Model#SA303CNSA304CNSA305CNSA710CNSA720CNSA710LCN
Details:Ionizing Smoke AlarmsPhotoelectric Smoke Alarms
Battery Type1-9 volt battery1-9 volt battery10-Year Lithium battery1-9 volt battery1-9 volt battery10-Year Lithium battery
EZ-Access Battery Compartment  
Escape Light    
Single-Button Silence/Test
Loud, 85-dB alarm
Warranty10-Year Limited10-Year Limited10-Year Limited10-Year Limited10-Year Limited10-Year Limited


Customer Questions & Answers

Customer Reviews

The one by the bathroom does false at time when my wife steams up the shower.
G. Fleury
I have not had a house fire, but I am positive that this detector will warn my family and keep us safe!
Robert T. Kneer
Well made, easy to install, nice appearance, included the battery, and works well when tested.
Robert D. Keller

Most Helpful Customer Reviews

212 of 231 people found the following review helpful By William Dennehy on August 22, 2010
Verified Purchase
10/08/2012 edit:

[...]

Folks,
Ionization detectors DO NOT protect you. The results and test methods are false due to the fire industy's cozy relationship with smoke detector manufacturers (yes, direct kick backs, look it up) and money for lobbyists in Sacramento and Washington DC. The profit margin on ionization detectors is much higher than photoelectric. Only photoelectric (required in commercial buildings - why not residential?) WORK. 75% of ionization detectors did not sound AT ALL in smoke filled rooms lethal to humans and have failed repeated independent tests. I'm a 20 year veteran of the fire service and a paramedic. I can guarantee you will DIE from smoke inhalation before an ionization alarm EVER goes off. No one dies from being burnt, you die from asphyxiation due to smoke and poisonous gases. Read this and only buy photoelectric. There's too much information for me to go into it here. Be sure and follow the World Safety Fire Foundation link. If that doesn't convince you to go photoelectric you're playing with death. Email [...] and if you send a SASE I will send you a dvd proving much of these assertions to you. It includes a show from Canadian TV that is ILLEGAL to show in the US as well as other information. BE SAFE! My dept's Chief's message is below:
BD

Chief's Message
Warning: Your smoke alarm may not detect smoke

Currently, there is great confusion regarding the topic of smoke alarms. There are two types of smoke alarms used to protect residents in the event of a fire; photoelectric and ionization smoke alarms- both respond differently to smoke and flame.

Ionization smoke alarms react poorly to deadly smoke but faster to flames while photoelectric alarms react much faster to smoke.
Read more ›
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17 of 17 people found the following review helpful By K. Yee on December 29, 2009
I didn't think it'd work, but gave it a try after reading the reviews.
Works *amazingly* well in an area near the kitchen that was really frustrating w/ false alarms. The light is also very useful in that stairwell area.
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16 of 16 people found the following review helpful By G2Jim on May 3, 2009
Verified Purchase
Great smoke alarm with photoelectric sensor that is more sensitive to smoke than the more typical ionization smoke detectors. It's recommended to have both in your home, but for some reason these photoelectric types are harder to find in stores near us. This once comes with a spot light that will be very hand at the end of our hallway in case of a fire.

This one's like most as far as ease of installation, and comes with a battery.
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19 of 20 people found the following review helpful By Ozgard VINE VOICE on December 31, 2008
Verified Purchase
I had an older alarm that was near my Kitchen that would continuously go off when we cooked on the stove. Drove me nuts!. I finally dropped kicked the old unit and replaced it with this one. No more alarms from Cooking.
Good unit.
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13 of 14 people found the following review helpful By MJNC367 on December 8, 2012
Verified Purchase
I needed to replace my old outdated Ionization type smoke detectors. There have been news stories recently on tests about ionization smoke detectors not alarming as quickly as the photoelectric type. So I started researching the topic. I started with The National Fire Protection Association website and the Firehouse Forum website. Then I checked with my personal expert, my nephew who has been is fire service his whole life. And is a former fire chief.

The general consensus was; any smoke detector is better than none.
To use both types is best. But if you're going to buy one, get a photoelectric. So I looked on Amazon and decided on this one because; the features - photoelectric sensing and the escape light. and the price was very reasonable. I bought 2 in November for $15.51 each on Amazon.

Sometimes you will see one that looks similar except it's $10.00 more & states on package "10 year battery life". It's not a better detector, It's $10.00 more because it has a 9 volt lithium battery, which you can buy at any drug, hardware, or home center store if you choose to. And also when I first opened it, I noted that it is was really well made. Not flimsy like ones I've used in the past. I highly recommend this detector and hope this was helpful to someone.
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10 of 11 people found the following review helpful By Logan Londres on June 6, 2011
Verified Purchase
The enclosed instruction sheet stated that a plastic battery compartment "clip" needs to be removed with a flathead screwdriver in order to seal the "battery lock" so that the device works. I looked for this clip for 30 minutes without success, and the battery drawer refused to slide in. Finally, through sheer brute force, I was able to force the drawer until it made contact and the device started to blink. Assembly of this unit made for a very frustrating afternoon. Plus, the logic of having a "battery lock clip" for a device that is attached near a ceiling escapes me. Why do you have to LOCK a plastic smoke alarm that you have to stand on a chair to reach in the first place?
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6 of 7 people found the following review helpful By Michigan Mom on July 26, 2010
Verified Purchase
This replaced an old detector that was installed near the kitchen. The old detector went off every time I cooked, which was quite annoying! This new alarm was placed in the same location as the old detector. The steam and smoke emitted by the stove or oven DOES NOT trigger this alarm. Very pleased!
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12 of 16 people found the following review helpful By S. Mchugh on July 9, 2010
Verified Purchase
I received 2 of these. One was fine. However, the second one did not work with the supplied battery. We thought maybe it was a bad battery so went out and bought another battery. Still no luck. This of course was after we had brought the clamshell packaging materials to our local recycling facility. We had never had an issue with smoke alarms not functioning when they were new. So...I'm stuck ordering a new one from Amazon because we already have the bracket on the ceiling.
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