Features:
Li battery USB charging.
With Rechargeable Lithium battery, 3.7V 650mAH, can work up to 10 hours continuously after one time charge.
One CR2032 battery for remote control, which can work up to three months.
Super Performance, this bike rear light is shockproof and waterproof, it functions well under any weather conditions, suitable for mountain bikes, road bicycles, dirt bicycles, hybrid bikes etc.
Easy Installation, you can install the rear light successfully with the screw and bracket provided very quickly, no other extra tools are needed.
Dot matrix display of wireless remote control, cool graphics tail light display of wireless remote control, brake dot matrix display of wireless remote control, laser parallel lines display of wireless remote control.

How to use:
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. All the lights of host will lighten on when brake the bicycle.
6. 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 charged.

Specification:
Material: ABS
Color: black
LED quantity: 64
Laser beam: 2
Light power: 3.7V 650 mAH USB battery
Remote control battery: 1*CR2032(included)

Package includes:
1 x Wireless Remote Bicycle Light
1 x Wireless Remote (With Battery)
1 x USB Cable
1 x Holder
2 x Ribbons