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  • Streamlight 66318 MicroStream C4 LED Pen Flashlight
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Streamlight 66318 MicroStream LED Key Light


Price: $13.95 - $340.36
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Frequently Bought Together

Streamlight 66318 MicroStream LED Key Light + Streamlight 66118 Stylus Pro Black LED Pen Flashlight with Holster + Streamlight 73001 Nano Light Miniature Keychain LED Flashlight, Black
Price for all three: $48.11

These items are shipped from and sold by different sellers.

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  • Save 15% each on Qualifying items offered by Ron's Home and Hardware when you purchase 1 or more. Enter code NCVVPI6H at checkout. Here's how (restrictions apply)

Product Description

MicroStream, Alkaline Battery Powered, LED Pen Light, C4 LED Technology For Extreme Brightness, 28 Lumens, IPX4/Water-Rresistant, Impervious To Shock With A 30,000 Hour Lifetime, Type II MIL, Spec Corrosion Resistant Anodized Aircraft Aluminum, Push Button Tail Switch, Removable Pocket/Hat Clip, Includes 1 "AAA" Battery, Holster, 2 Hour 15 Minute Run Time, Beam Distance 52m, Peak Beam Intensity 683cd.

Product Details

  • Product Dimensions: 7 x 4.8 x 0.4 inches ; 3.2 ounces
  • Shipping Weight: 3.2 ounces (View shipping rates and policies)
  • ASIN: B00GVK2WJ0
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (911 customer reviews)
  • Amazon Best Sellers Rank: #102,363 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Customer Reviews

Very well built, good solid feel to it.
Amazon Customer
The small size makes it easy to carry clipped to your pocket.
Derek J. Marsden
This small flash light is very bright for its size.
Danh442

Most Helpful Customer Reviews

226 of 230 people found the following review helpful By Marty Jones on March 2, 2009
Size Name: 1 Pack
I own many flashlights, and this is by far my favorite using a 1xAAA format. The brightness is exceptional for the size and weight. I believe the 20-lumen rating is accurate, by comparison with many other lights I own. I also own the larger 2xAAA version of this light (Streamlight Stylus Pro), and the microstream is almost identically bright. Of course, the 2xAAA version has longer battery life, by more than a factor of 2 because of circuit efficiency and battery-capacity variance with discharge rate.

The switch type is my favored "forward" clicky, which means you can push it slightly to get a momentary-on function. Some other lights use a "reverse" clicky, which doesn't turn on until you click and release.

The one thing I dislike about both of these lights is that the pocket clip rotates with the threaded end cap, badly scratching the finish when you remove the cap to replace the battery. You can avoid this by placing a piece of cloth between the clip and flashlight body before turning the cap, but you have to think of this before first disassembly or it's too late.

Also, the clip exerts enough sideways pressure on the light body that you must be very careful to avoid cross-threading when you reinstall the cap onto the body.
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100 of 102 people found the following review helpful By Amazon Customer on December 31, 2008
Size Name: 1 Pack
I've had this light for about a week. I bought it with the intention of leaving it in my backpack (a smaller replacement for an aging mini-maglite). Well, the maglite is still in my backpack- the streamlight stays in my pocket. It is small and lightweight enough to be carried un-obtrusively. I'm amazed at how bright it is, and everyone who has seen it has wanted one. Great product, great price.

Update- six months later- still love it, probably more now than when I wrote the initial review. I use this daily, for so many things it's really hard to describe how functional this light really is, it's great!
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67 of 70 people found the following review helpful By Ok2bclever on October 3, 2008
Size Name: 1 Pack Verified Purchase
I really like this light. It is compact and can be worn in a front shirt pocket like a pen and has a "pen" clip for this.I actually wear it in the right corner of my back right pocket again taking advantage of the pen clip and it does not interfere with taking my wallet in or out.

It has a very, very bright white light which you can use with a momentary push of the on/off button on the end of the light (like a clip pen) or turn it on continuously by fully depressing the end of the pen.

It is a well tooled piece of equipment with a flat black metal finish that while not coarse is not slick either so is easily gripped and handled.

It uses a single AAA battery and has a reportedly long battery life.

I have not exhausted the first triple A battery yet despite using it often in the last month plus I have had it.

I really like it and plan to purchase one for both my son, daughter and father.
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46 of 48 people found the following review helpful By B240 on July 4, 2013
Size Name: 1 Pack
As a Police Officer for nearly 18 years now, and just about all of that time spent on 2nd shift, in the same Beat, I have had many flashlights over the years, but none have compared to the versatility of the Microstream from Streamlight!! This has been my favorite flashlight, Hands Down!! It has very good output for its size and one of my favorite things about this little light is that it takes a AAA Battery, instead of 3 or 4 of those little watch batteries, or some other off size battery that is difficult to find. The "S" Clip is also a Great addition to this light!! I can clip it on my pocket and take Reports at night, or clip it on my hat when walking through the woods looking for a lost child. I also use it to search under seats of cars or in tight spots. It is really great for finding fingerprints on windows too!! I have also accidentally ran my through the washing machine several times over the past couple of years, and it keeps going, and going, and going...Whenever a Rookie Officer is assigned to work in my Beat with me on a daily basis, I always buy them a Microstream as a "Welcome to the Hood" gift, and show them how useful this light is, because I know that they will get as much use out of this light in their career, which is just beginning, as I have got out of it during my career, so far...I Highly recommend this light for anyone who is looking for a small, versatile, reliable, powerful, little light!! Oh...something else that I have not seen anyone else mention yet...I believe that all Streamlight Flashlights come with a limited Lifetime Warranty, which covers everything except the battery and signs of abuse!!
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28 of 28 people found the following review helpful By Christian on May 20, 2009
Size Name: 1 Pack
I bought many LED flashlights over the years, often skimping on the price and buying some knockoff from the E..y auction site only to have them die on me after a month or so. In the end, it cost me a lot more to buy cheap gear than to buy the right thing from the start.

This is a great little LED flashlight. It is BRIGHT, usable, solid
and good construction. You won't go search and rescue in the woods
with it but you will enjoy this one around the house or around the camp
when outdoors.

Note: it IS very bright and projects light at a surprisingly long distance. A month ago a transformer blew up in the electrical pole
over by my neighbor's house (The poles are in the back yard here).
When the electrical company came by, I just used my flashlight to show
them the busted transformer from the street (the next door house,
over the house at the end of their back yard which would be at least
100 feet from where I stood).

Highly recommended!
- Christian
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