Depends on your use... for brightness, without a doubt green. 2 reasons to get technical, first the chemical make up allows that color to glow brightest, and second is that the human eye sees this color better than any other light wavelength. If you're looking for "flares" though and need red, your best bet would be a strobe light. The red snap lights are good for low-light needs (hence using red lens flashlights in the military to read maps as the human eye doesn't pick this light up at low levels), but nowhere near what you would need for safety. Blues and whites are in the middle but don't nearly as long -better off with a LED flashlight. Go green...

Cyalume Glow Sticks Military Grade Lightstick - Premium Green 6” SnapLight Emergency Chemical Light Stick with 12 Hour Duration (Bulk Pack of 10 Chem Lights)

Cyalume Glow Sticks Military Grade Lightstick - Premium Green 6” SnapLight Emergency Chemical Light Stick with 12 Hour Duration (Bulk Pack of 10 Chem Lights)

Q: What is the life shelf of the unopened Cyalume snaplight?

You all are going to think I'm making up stories, but I found a group of the Cyalume SnapLight sticks that was with some dry first aid materials that goes back to before Y2K. Perfect experiment, I thought. The green ones still glowed very brightly and although not bright were still visible 12 hours later. These things are really amazing.

Q: Can they be stored in freezing temps in a car? Gets Brutal in NY in the winter

they can be stored in the car and they will not freeze

Q: Will these give enough light to read if you need to find emergency phone numbers in phone book?

I was in a pitch black room door closed and no windows when I tried it out and I was able to find my locker and see the combination numbers on my lock. I thought it was pretty good. I'm sure you'd be able to see some emergency numbers in your phone book with this product. Hope this helped.

4.7/5

Product ID: 253695292

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🌊Waterproof

💡12-hour glow

🛡️Military grade

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Cyalume Glow Sticks Military Grade Lightstick - Premium Green 6” SnapLight Emergency Chemical Light Stick with 12 Hour Duration , 10 Pack

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Description

🌟 Light Up Your Life with Cyalume Glow Sticks!

BULK CONVENIENCE - Get 10 premium glow sticks in one pack for all your tactical needs.
SAFER THAN FLARES - Choose non-toxic, durable glow sticks over traditional flares for peace of mind.
WATERPROOF WONDER - Use safely underwater or in confined spaces without worry.
ILLUMINATE YOUR WORLD - Experience 360-degree illumination with military-grade reliability.
LONG LASTING BRILLIANCE - Enjoy up to 12 hours of vibrant green light for any emergency situation.

The Cyalume Glow Sticks are military-grade emergency light sources designed to provide reliable illumination for up to 12 hours. This bulk pack of 10 green glow sticks is waterproof, non-flammable, and safer than traditional flares, making them ideal for tactical use in various environments.

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What is the life shelf of the unopened Cyalume snaplight?

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Will these give enough light to read if you need to find emergency phone numbers in phone book?

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Cyalume Glow Sticks Military Grade Lightstick - Premium Green 6” SnapLight Emergency Chemical Light Stick with 12 Hour Duration (Bulk Pack of 10 Chem Lights)

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