Color Black + Red Brand Others Model HHY001 Quantity 1 Piece Material PC Color BIN Red Number of Emitters 6 Battery 2 x AAA Battery included or not No Current 200 mA Runtime 6 Hour Number of Modes 4 Mode Arrangement OthersFast strobe Counterclockwise strobe in turns From both sides to middle strobe in turns 6-LED and 1-LED strobe alternately Mode Memory No Switch Type Clicky Switch Switch Location Head Beam Range 625 nm Strap/Clip Clip included Application Seat Post Holder Diameter 30 mm Waterproof Yes Other Features Taillight 6-LED auto steady on when brakes; 20mW laser light brightly strobe will not affect by street lights; 4-Mode LED warning light; Dual laser line showing width function Packing List 1 x Taillight 1 x Buckle 1 x Screw 1 x Ring 1 x Fasten knob 1 x Phillips screwdriver