Cyalume Australia - Tactical Chemlight / Snap Light, 8-12 HOUR Cyalume sticks (5 colors)

(NOTE BEFORE YOU PURCHASE WHITE ONES- WHITE & BLUE CYALUMES ARE 8 HOURS NOT 12 BUT WILL STAY ILLUMINATED FOR AROUND 18-24 hours)

Cyalume light sticks is a military exercise staple - Excellent for navigation exercise at night.

You really don't need a manual for this - Give it a light bend in the middle, the light stick is your best friend for the next 12 hours.

Non flammable and non toxic chemical light, can be activated by a light snap. Weatherproof and waterproof provides a reliable source of light in the most hostile environment that wants to eat you alive without setting the entire place on fire.

Flat shipping cost - The more you buy the more you save!

DO THEY EXPIRE?

Short answer - No.

They are known to work 15-20 years after the 'expiry' date printed on the package.

You can see tests here 
https://www.youtube.com/watch?v=KfkxUxKQRp4
https://www.youtube.com/watch?v=d9fxFDoGT24