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Your cart is empty.The Cyalume SnapLight is a green industrial grade light stick measuring 6" long, for providing instant 360 degree illumination, that can be seen up to a mile away for up to 12 hours in optimal conditions. The SnapLight is waterproof, non-toxic, and non-flammable. To activate the light stick, bend, snap and shake the tube. The light stick has a hook and gate top, for hanging or attaching the light. Each light stick is individually foil-wrapped for protection from light and moisture, and has up to a five-year shelf life from date of manufacture. The durable, waterproof, external body of the light stick is made from low density polyethylene (LDPE), and is phthalate free for safety. The internal illuminating substance is non-toxic and non-flammable, and the components of the light stick are recyclable. The light stick floats in water and works best between 40 to 80 degrees F (4 to 27 degrees C), and although the light stick works at higher or lower temperatures, it is less effective in colder temperatures. All sticks are tested at a temperature of 72 degrees F (22 degrees C) to determine the illumination duration. Each 10-degree C (50-degree F) increase or decrease in temperature doubles or halves the reaction rate, and therefore the brightness and duration. For example, the same light stick that emits approximately 30 lux (a unit that describes how much light is visible over a square meter) at 15 minutes after activation at 24 degrees C (75 degrees F) will be half as bright but glow twice as long at 14 degrees C (57 degrees F). At 34 degrees C (93 degrees F), the same light stick would be twice as bright, but glow half as long. Storage at elevated temperatures (above 120 degrees F or 49 degrees C) will decrease shelf life and start to soften the plastic tube, and increase the risk of a leak. Exposure to cold temperatures will not affect the light sticks if they are warmed above 40 degrees F (4. 5 degrees C) before activation, unless they are frozen (which occurs at -15 to -20 degrees F, or -26 to -29 degrees C). Once light sticks have been frozen, they will still produce some light, but performance will not be as reliable. Humidity and atmospheric conditions do not affect the light sticks. Cyalume Technologies manufactures chemiluminescent products used for safety, industrial, and military applications. The company, founded in 1970 and headquartered in West Springfield, MA, makes products under ChemLight and SnapLight brands. ChemLight products meet military specifications, and the company meets ISO 9001 standards.
Down South NC
Reviewed in the United States on March 2, 2025
Perfect for marking the way for night travel on camping paths
Edward V.
Reviewed in the United States on January 6, 2025
Still usable after 16 hours, it has been 17.5 hours, I went into the closet to see how well the illumination is and if it were pitch black outside it could be used as a trail marker. I was able to get enough light from it at 17.5 hrs to read a map.I will buy these always, I am surprised I have never found one that stays illuminated so long.
Joleen P. Forster
Reviewed in the United States on September 11, 2024
These last a long time, they are bright, there are different colors, easy to use, my grandkids use them in the pool at night. We have used them at Disney so people see our stroller.
Matt H
Reviewed in the United States on August 11, 2024
I've used several brands of glow sticks now, I keep some in my car for emergencies but we also use them for hunting and camping. These glow sticks are bright and illuminate the area nicely, they glow for hours. After about 6-8 hours they do seem to dim a bit but for our purposes these are fantastic! Will definitely be buying them again!
David Bower
Reviewed in the United States on March 14, 2024
I bought these for casual use. Camping and grandkids Halloween / playing in the yard. I am not qualified to comment on their "military grade" claims as I never used chem sticks when I was in the military. But I can say these sticks appeared to be brighter / last longer than the ones I've bought at the local dollar store.I am writing this review a few years after purchase but at the time I was satisfied with what I paid for what I received. I would buy again if I needed them but grandkids are now older / live in a different state.
Jesse T.
Reviewed in the United States on November 11, 2024
I have had these CYALUME snaplights in my vehicle since 2018 (6yrs), and they still work. I live in a climate where it's over 100° in the summertime. They are of good quality, easy to use and small enough for a first aid kit, which is where I kept them. I recently bought some of these in red to use instead of flares for my vehicle. They're non-flammable, bright and much easier and safer to use than flares. If you're looking for good snap lights these are the ones to buy.
Meisterschutze
Reviewed in the United States on October 10, 2024
Military grade lasts at almost full power for 12 hours as advertised and 24 hours later still has a slight glow.
Thomas Johnston
Reviewed in Canada on July 13, 2023
We used these as an attractant in Gee traps, devices that are used to catch small fish. They work particularly well for attracting sculpins that live in very deep (and dark) waters
Terry Morris
Reviewed in the United States on November 1, 2022
I was hesitant about these lights due to I have experience with the military grade chem lights. I purchased these to get more bang for my buck, and man did they perform. These are just as good if not better, than the military grade lights. The only real difference is the design of the hook enclosure for attaching to wire or parachute lines. I took the picture during the day, under natural light, 17 hours after it was activated. As you can see, it is still visible. These are now my go to lights for emergencies, camping, and hiking. I don’t t normally do reviews, but this product deserves recognition for its performance and price point. Great Job SnapLight!
Mukesh Dutt
Reviewed in India on December 26, 2017
Good
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