The bike brake light can automatically flash when the bike brakes, warn the car behind to assure the safety of your riding. Multiple flashing modes can choose.
Auto detect bike braking, light flashing warn the car behind, assure the safety of your riding.
Five flashing modes and two brightness modes.
Light optical lens design��7 lamps, high brightness.
Easy fixed and install.
Rechargeable 400mAh cell.
Input: DC 5V, 500mA
Item Size: 50 * 50 * 36mm / 1.97 * 1.97 * 1.42in
Package Weight: 80g / 2.82ounces
Package Size: 80 * 80 * 50mm / 3.15 * 3.15 * 1.97in
1 * Bike Brake Rear Light
1 * Charging Cable
1 * User Manual