GT Nano is a super tiny yet ultra-throw mini keychain flashlight. With a length of 54mm and 18g in weight, this tiny flashlight can burst into a max up to 450 lumens output and up to 306 meters amazing throw. The included 10180 Li-ion battery and a Micro USB charger allow the flashlight ready to use and easy to be charged. Tail standing ability, IP68 waterproof, GT Nano is a must-have for your EDC collection.