Bicycle Tail Light USB Rechargeable 4/7 Colors MTB Road Bike Rear Light Night Safety Warning Lights Bike Lights Bike Accessories Description: Product size: 30*12*13mm Product weight: about 6 grams Material: High hardness plastic shell Light color: 4 colors / colorful Battery capacity: 70mAh Battery life: 6-8 hours in slow flash, 1-2 hours in constant light mode Charging time: 30 minutes, the red light is on when charging, and the red light is off when fully charged. Specifications: Designed for real-time positioning of dronesEven at night, sufficient light will not affect the performance of the drone. [Multiple colors] 4/7 colors and flashing patterns can be freely set. [Light transmission is strong and clear] It can also be found 3 kilometers away. Long battery lifeUp to 6-8 hours of battery life, long working time Easy InstallationUniversal Mounting Seat with Mounting Belt or Ring Belt Package Included: Manual*1 *2 Strobe warning light*1 USB charging cable*1 Rubber ring*2