Remote Control Bike Taillight USB Rechargeable Bicycle Tail Rear Light Turn Signal Braking Warning Wireless LED Cycling Lantern.
Product Details:
[Name]: Bike LED Light
[Size]: 85x22mm
[Weight]: 30g
[Material]: ABS+Metal
[Lumen]: 50Lumens
[Battery]: 500mAh
[Mode]: Braking Warning,Turn signal
Main Light Function Control:
-Click:Main light is on, entering the long-time lighting mode. 
 Click again to enter the slow flashing mode. 
 Click again to enter the fast flashing mode. 
 Finally, click it to turn off the main light
-Left button:Click, the left turn signal light flashes 5 times
-Right button:Click, the right turn signal light flashes 5 times