Coast LED Lenser LL7766 V Squared Micro Key Chain Tac Torch LED flashlight w PTT LL7766V SquaredMicro Tac TorchKeychain flashlight,White LED Crystal reflector tube system,22.6 mW bright LED Light output High Quality Nichia LED, IntenseWhite Beam 3.62 inch body length,1.6 ounces with Keyring Uses 1x AAAbattery included, run time50 hours