Author: addmotor via YouTube
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This E-43/53 series will be used the new EB 2.0 system for riding. The newly added button allows the Addriders to use a variety of light combinations such as turning left and right signals, braking signals, light flashing and other functions to make riding safer and more convenient.
Addmotor EB 2.0 E-43/53 Headlight and taillight | Operation Instruction