Brand SingFire Model SF-522B Quantity 1 Color Black + green Material Aluminum alloy 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 batteries (included) Circuitry 2500mA Brightness 800 lm Runtime 4 hours Number of Modes 3 Mode Arrangement Hi>Lo>Fast strobe Mode Memory No Switch Type Reverse clicky Switch Location Tailcap Lens Glass Reflector Aluminum Smooth Strap Included No Clip Included No Band Length 40cm Suitable Head Circumference 35~60cm Beam Range 300 meters Other Feature High light / surface anode under oxidation treatment; Rubber-coated switches three modes control; CREE XM-L T6 LED ultra bright effect; Lotus-type attack head aluminum alloy material effectively shattered glass and other items; Charger interface: DC 3.5 x 1.35mm Certification CE / RoHS Packing List 1 x Headlamp (with the belt) 2 x 18650 rechargeable li-ion batteries 1 x AC power charger adapter (Input AC 100~240V 50~60Hz; Output: DC 4.2V 500mA; 2-flat-pin plug; 95cm-cable) 1 x English user manual