Brand SingFire Model SF-553 Quantity 1 Color Black + red Material Aluminum alloy Emitter Brand Cree LED Type XR-E Emitter BIN Q5 Color BIN Neutral White Number of Emitters 1 Working Voltage 3.7 V Battery Configuration 3 x AAA batteries (not included) or 1 x 18650 battery (included) Circuitry 1000mA Brightness 180 lm Runtime 2 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 40cm Suitable Head Circumference 30~60cm Beam Range 100 meters Other Feature Hard anodized; Uses Cree XRE Q5 LED up to 250 lumens; Mini size lightweight; Rotate its head the light will be adjusted for zoom in or zoom out; With a lifespan of 50000 hours Certification CE / RoHS Packing List 1 x Headlamp 1 x 18650 rechargeable battery 1 x AC power charger adapter (Input: AC 100~240V / 50~60Hz; Output: DC 4.2V / 500mA; 2-flat-pin plug 92cm-cable) 1 x 3-AAA battery case 1 x Gift box 1 x English user manual