Wireless remote control, you can turn on the corresponding lights according to the road conditions, easy to operate.<br> Five light modes, easy to use, no complicated operations, suitable for different driving occasions. Taillight and remote control only, other accessories demo in the picture are not included.<br> 180 degree lighting, high brightness, safer driving. 120 decibel tweeter, passerby reminder, safe night driving.<br> USB fast charging, with silicone seal, good waterproof and dustproof effect. Adjustable angle, waterproof life level.<br> 14 red light SMD and 18 yellow light SMD on the left and right sides have high brightness, which can effectively remind the traffic behind.<br> Battery capacity: 900mAh lithium battery<br> Charging time: 3 hours<br> Voltage: 3.7 V.<br> Material: ABS.<br> Size: approx. 3.7 x 1.3 x 1 in.<br> Color: black.<br> Power supply: USB rechargeable<br> Package content:<br> 1 x Bicycle Tail Light<br> 1 x Remote control