Brand SingFire Model SF-550 Quantity 1 Color Black + Dark Green Material Aero aluminum alloys Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool White Number of Emitters 1 Working Voltage 4.2 V Battery Configuration 2 x 18650 (included) Circuitry 2.5A Brightness 800 lm Runtime above 3 hours Number of Modes 3 Mode Arrangement Hi > Lo > Strobe Mode Memory No Switch Type Forward clicky Switch Location Bezel Lens Plastic Reflector No Strap Included No Clip Included No Band Length 47cm Suitable Head Circumference 40~60cm Beam Range 300 m Other Feature Zoom-to-throw / Hard anodized Certification CE/RoHs Packing List 1 x Headlamp 1 x Headlamp Strap 1 x Charger (Input: AC100-240V/50-60Hz; Output: DC4.2V/500mA; 2-Flat-Pin plug; 95cm-cable) 2 x 18650 rechargeable batteries 1 x English Manual