LED: Cree 7090-XP-E Q5, life span up to 50000 hours
Stainless Steel body and clip
Finish: Polish
Reflector: Aluminum alloy
Max output level: 80 lumens
Operating voltage: 0.9V - 3.0V
Battery: 1 x AAA, 1 x Rechargeable NiMh AAA, or 1 x 10440 (Due to the small light body size,10440 batteries are not recommended since it may cause the light become hot very quickly.)
Size: Length 66.5 mm *Diameter 14 mm, Weight: 24.8g (excluding battery and keychain)
Operation Battery installation: + Turn the head counter clockwise to loosen and remove the head. + Insert the battery with the negative end toward the tail. Operation: Tighten head to turn on,turn head counter clockwise (loosen) to turn off light. To switch modes while light is on,turn light off and on within two seconds. Light will enter default medium mode after two seconds of being off.