Item Type: Motor Controller Material: Aluminum Alloy Rated Voltage: 36V 48V Universal Maximum Current: 171A Package List 1 x Motor Controller 1 x User Manual Must match the instrument use of model 2 communication protocol. 1Specifications: DC motor controller, 36V 48V universal rated voltage, maximum current is 17A, applicable to 250 350W motors. 2With Wiring: The motor controller is equipped with wiring, standard wires and interfaces, to ensure stable and reliable connection. 3Groove Design: The shell of the motor controller is designed with grooves to ensure good heat dissipation and avoid thermal overload. 4Aluminium Alloy: The motor controller shell is made of aluminum alloy, lightweight and corrosion resistant, not easy to deform or wear. 5Compact Size: The controller has a compact structure, which is easy to install and occupies little space, with strong practicability.