Brand SingFire Model SF-311 Color Black + silver Quantity 1 Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool White Number of Emitters 1 Brightness 600 lm Working Voltage 3.7 V Circuitry 2500 mA Number of Modes 5 Mode Arrangement Hi>Mid>Lo>Fast strobe>sos Switch Type Reverse clicky Switch Location Tailcap Mode Memory No Runtime 2~3 hours Beam Range 200 meters Lens Plastic Reflector No Battery Configuration 2 x 18650 batteries (included) or 2 x 26650 batteries (not included) Strap Included Yes Clip Included No Other Feature Hard anodized / Zoom-to-throw; Modes: 5 Highlight>Mid>Lo>fast strobe>sos. Low light meet daily use; High light can maximize exert the flashlight brightness Certification CE / RoHS Packing List 1 x Flashlight 2 x 18650 batteries 1 x Double groove universal charger (Input: AC 100~240V 47~63Hz; Output: DC 4.2V 600mA; 2-flat-pin plug) 2 x 18650 white tubes 1 x Strap 1 x English user manual 1 x Gift box