Bicycle lights, bicycle accessories, Safe night travel: cycling at night, while enjoying the tranquility of the night, you also need a good tail light. High brightness. Bright but not dazzling. Waterproof, say goodbye to rainy troubles, cycle as you wish. Long battery life, to support your continuous cycling without fear of bumps. The parts are not easy to loosen, and the internal structure is stable. How to install: 1. Install the silicone strap downwards and forcefully on the tail light 2. Attach the silicone strap to the tail light 3. Adjust the tightness to a suitable position 4. The installation is complete. Color: As shown Material: plastic Package contents: 1 x Front light (white light) 3 x Tail light (red light) 2 x Silicone strap 2 x USB charging cable 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 to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.