Brand SingFire Model SF-601B Quantity 1 Color Black + blue + silver 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 609 lm Runtime Over 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 60 cm Suitable Head Circumference 40~70cm Beam Range 300 meters Other Feature Modes: 1. High Light 2. Low light; 3. Fast strobe; Three modes a circle; Output bright can come to above 609 lumens / Hard-anodized finish; shockproof zooming Certification CE / RoHS Packing List 1 x Headlamp 1 x Headband 2 x 18650 batteries 1 x AC power charger adapter (Input: AC 100~240V 50/60Hz; Output: DC4.2V / 1000mA; 2-flat-pin plug; cable-114cm) 1 x Car charger (12~24V / 58cm-cable) 1 x English user manual 1 x Gift box