The NITECORE THUMB is a lightweight, versatile keychain flashlight using two high performance LED to emit up to 85 lumens with three brightness levels. The adjustable head of the THUMB can be angled within a 120 degree range for directed lighting while working on household chores, camping and in emergencies. The THUMB also includes a secondary red LED for preserving night vision and emergency signaling. Easily recharge the THUMB via the conveniently located micro USB charging port. Fully charged, the built-in li-ion battery provides up to 22 hours of runtime. Constructed from polycarbonate materials to withstand heavy usage, the THUMB includes a metal rear suspension ring capable of withstanding 77lbs of weight.