Enhance your cycling safety with the bicycle taillight. Featuring multiple lighting modes, easily switch between options for optimal visibility. Equipped with high-brightness COB lamp beads, this taillight ensures eye-catching flood warning with uniform light distribution. Ride confidently at night with the high-brightness warning that effectively alerts those behind you. The lightweight design adds minimal burden to your bike. The 300mAh battery supports convenient Type-C charging, compatible with computers or power banks. Enjoy quick tool-free installation and daily waterproofing for worry-free rides in all weather conditions. Stay safe and visible on the road with this reliable taillight. Item Name: Bicycle Taillight Material: ABS Bead Type: COB LED Battery: Built-in 300mAh Rechargeable Battery(Included) Charging Method: Type-C Charging Time: About 40 Minutes Features: Waterproof, Super Bright, Lightweight Size Details: L: 5cm/1.97", W: 4cm/1.57", H: 1.7cm/0.67" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Taillight