Product parameters Color:Red Condition: 100% brand newItem type: Motor Controller Material: Aluminium alloy Voltage: 36V-48V-60V-64V Weight: .600g Power: 400W-600W Current limit:20A-26A Notice: This product cannot be used for dual-motor modification. If your electric scooter has front and rear motors, please purchase a dual-drive controller. What is a Three-mode controller? Quiet start(Except for special circumstances) strong power and power saving. The three-mode controller is a sine wave controller. It can operate in three modes, sine wave mode, square wave mode, and no hall mode (that is, it can be used without a hall sensor). The mode cannot be selected, the default is sine wave mode. When the hall sensor is damaged it will automatically switch to square wave mode. Runs no-Hall mode when no Hall sensors are connected. Suitable for in-wheel motors. ?Error code? E01: Motor failure E02: Throttle failure E03: Controller failure E04: Brake power off E05: Under voltage protection E06: Communication failure, the instrument cannot receive the output of the controller E07: Communication failure, the controller cannot receive the output of the instrument Tips: When installing, please hang the motor in the air to avoid the situation that it cannot rotate. If you encounter installation problems, please contact customer service to complete the installation.