Brand SingFire Model SF-310 Color Black Quantity 1 Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN White Number of Emitters 7 Brightness 1920 lm Working Voltage 3.7 V Circuitry 2500 x 7 mA Number of Modes 5 Mode Arrangement Hi>Mid>Lo>fast strobe>sos Switch Type Reverse clicky Switch Location Tailcap Mode Memory Yes Runtime 2-3h Beam Range 200m Lens Glass Reflector Aluminum smooth Battery Configuration 3 x 18650 or 3 x 26650 batteries(18650 and 26650 not included) Strap Included No Clip Included No Other Feature Hard anodized; Anti-drop; Adopting solid copper point contacting on head and tail to ensure good electrical conduct. Certification CE RoHS Packing List 1 x Flashlight 2 x 18650 Battery holders 1 x Extention tube 1 x English user manual 1 x Box