Color Black Brand LetterFire Model L2*2 Quantity 1 Piece Material Aluminum alloy Emitter Brand Cree LED Type XM-L2 Emitter BIN T6 Number of Emitters 2 Color BIN Cool White Working Voltage 8.4 V Power Supply 4 x 18650 (3500mAh included) Current 2800 mA Theoretical Lumens 1000 lumens Actual Lumens 1000 lumens Runtime 3 Hour Number of Modes 4 Mode Arrangement HiMidLowSlow Strobe Mode Memory No Switch Type Reverse clicky Lens Plastic Reflector Plastic Smooth Flashlight Mounting Handlebar and Helmet Switch Location Tailcap Beam Range 100 m Other Features Waterproof: IP65; Under normal switch (green indicator) there are 4 modes (Lo > Mid > Hi > Slow strobe); Long press the tail switch until the indicator turns yellow there are 10 steady on modes. Packing List 1 x Bicycle light (120cm) 2 x Rubber rings 1 x 2-flat-pin plug power charger (100~240V / 140cm) 1 x Battery pack 1 x Headband (40~50cm) 2 x Battery clips 1 x Fixed rubber band (20cm)