Brand: SIPIK Model: HK21 18650 Casing Color: Black Emitter Brand/Type: Cree Emitter BIN: Q3 WC Color BIN: White Total Emitters: 1 Battery Configurations: 1 x 18650 battery (not included) Voltage Input: 2.7~4.2V Switch Type: Clicky (Clickie) Switch Location: Body Modes: 3 Mode Memory: - Mode Arrangement: Hi > Mid > Fast Strobe Circuitry: Digital Regulated 800mA Current Output Brightness: 160 lumens maximum brightness (manufacturer rated) Runtime: 40 minutes (manufacturer rated) Lens: Coated Glass Lens Reflector: Aluminum Textured/OP Reflector Strap: Included