Brand: RUSTU Model: R12H Material: T6063 T6 Aluminum alloy Emitter Brand: Cree LED Type: XM-L BIN: T6 Color: Cool white Number of Emitters: 1 Voltage Input: 3.7V Battery Configuration: 1 x 18650 (not included) Circuitry: 900mA Brightness: 800lm (manufacturer rated actual 350lm) Runtime: 3 hours at mid mode Number of Modes: 5 Mode Arrangement: Hi > Mid > Lo > Fast strobe > SOS Mode Memory: Yes Switch Type: Reverse clicky Switch Location: Tailcap Lens: Tempered optical glass lens Reflector: Aluminum smooth / SMO Strap Included: Yes Clip Included: No Beam Range: 180 meters Other Features: HA-III surface; Anti-slip rubber rings; IPX8 waterproof Certification: CE