Material: ABS Color: Black LED Light: Red Instructions: 1.Long press host one second to switch on (all the lights flash three times),and long press host one second again to switch off(all the lights flash one time). The left red light is flashing switch on,long press 3 seconds to Match Code(host showed C), Then press the any key of the remote controller to finish the setting. 2.Upward the turn light-switch to left (the left light is flashing),downward the turn light-switch to Right (the right light is flashing) 3.Short press the right button of remote control,cool graphics tall light will switch on/off (blue light flash in the middle). 4.Short press the left button of remote control, laser-parallel line will switch on/OFF. 5.When the left light of host is continuous lighting,It means the low batter and need to recharge. The right light will turn on when recharging the battery ,and the green light will turn on when fully . LED Quantity: 64 Beam: 2pcs Battery: 3.7V 650mAH Lithium battery Waterproof Level: IP65 Package Contents: 1 x bicycle light 1 x remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.