1. Using: - Press to turn the light on, seven pics show up one by one. - Press again to turn on the laser light. - Press once again to switch it off. 2. Turn Light Function: - When you are riding a bike, in order to switch the tail turning light on automatically, you just have to lean the bike (left / right) for about 10 degree. The light would flash for six times to warn the vehicles behind you. 3. Brake Function: - When you are riding a bike, if you use a bike, a builtin sensor would send a message to the lights and all the 64 LED lights would light up automitically and flash for six times to warn the vehicles behind you. 4. The mount holder strap is suitable for diameter 15-28mm handlebar. 5. Built-in 1200mAh rechargeable lithium battery. 6. With USB charger cable, you can charge for your bike brake light.
