Brand: Ultrafire Model: WF-501B Emitter Brand/Type: CREE Emitter BIN: G2 Emitter Color: Green (520nm ~ 530nm) Total Emitters: 1 Battery Configurations: 1 x 18650 or 2 x 3.0V/3.6V CR123A batteries (Not included) Voltage Input: 3.0V~18.0V Switch Type: Clicky (Clickie) Switch Location: Tailcap (Tail-cap) Modes: 1 Brightness: 150lm Mode Arrangement: - Typical Battery Runtime: 1 hour (manufacturer rated) Circuitry: 800mA Current Output Digitally Regulated Driver Circuitry Lens: Coated Glass Lens Reflector: Aluminum Textured/OP Reflector Carrying Strap: Strap Included Carrying Clip: -