- Install light bar on the left and right side of bicycle back bracket;
- Install sensor and magnet on the left hand grip (that is rear brake);
- When you are cycling, the light bar will automatically be on with 50% brightness of itself to remind the following cars to keep a distance away. When you stop for more than 10s, the light bar will automatically be off;
- When in the emergency brake, the light bar will be on with 100% brightness of itself to remind the following cars to be careful. Release the brake, the light bar will be off.
- With 6 high light LEDs on each side light bar;
- Using epoxy resin transparent adhesive tape to cover the LEDs in order to achieve the waterproof effect.