Color Black + Red Brand LSON Model M-519 Quantity 1 Piece Material Plastic Emitter Brand Cree LED Type XP-E Emitter BIN Q5 Color BIN Cool White Number of Emitters 1 Working Voltage 3.6~4.5 V Power Supply 3 x AAA (not included) Current 300 mA Theoretical Luminous 100 lumens Actual Luminous 60 lumens Runtime 2~3 Hour Number of Modes 3 Mode Arrangement HiLowFast Strobe Mode Memory No Switch Type Reverse clicky Switch Location Side Lens PlasticOthersFlat lens Reflector No Band Length 20 cm Compatible Circumference 40~80 Beam Range 80 m Other Features Head circumference: About 40cm Packing List 1 x Headlamp