Brand SingFire Model SF-611B Quantity 1 Color Blue + black Material Aluminum alloy Emitter Brand Cree LED Type XM-L Emitter BIN T6 Color BIN Cool White Number of Emitters 1 Working Voltage 3.7 V Battery Configuration 1 x 18650 battery (included) Circuitry 2000mA Brightness 600 lm Runtime 3 hours Number of Modes 3 Mode Arrangement Hi>Lo>Fast strobe Mode Memory No Switch Type Reverse clicky Switch Location Bezel Lens Plastic Reflector No Strap Included No Clip Included No Band Length 55cm Suitable Head Circumference 40~70cm Beam Range 150 meters Other Feature Hard-Anodized / Zoom-to-Throw; Modes: 1. Highlight 2. Middle light 3. Fast strobe Three modes a circle Certification CE / RoHS Packing List 1 x Headlamp 1 x Headband 1 x 18650 battery 1 x AC power charger (Input: AC 100~240V 50/60Hz; Output: DC 4.2V / 1000mA; 2-flat-pin plug; 114cm-cable) 1 x Car charger (12~24V / 58cm-cable) 1 x English user manual