Brand: RUSTU Model: R64S Material: Aluminum alloy Emitter Brand: Cree LED Type: XM-L BIN: T6 Color: Cool white Number of Emitters: 6 Voltage Input: 4.2V Battery Configuration: 4 x 18650 (not included) Circuitry: 7A Brightness: 2600lm Runtime: 4 hours (Mid mode) Number of Modes: 5 Mode Arrangement: Hi > Mid > Lo > Fast Strobe > SOS Mode Memory: Yes Switch Type: Reverse clicky Switch Location: Handbar Lens: Tempered optical glass Reflector: Aluminum Smooth / SMO Strap Included: No Clip Included: No Beam Range: 350 meters Other Features: Hard anodized: HA-III Certification: CE