Product: 2 motors, 2 motor cables Parameters: 12V 30000RPM/12V Power: 45W 24V 35000RPM/24V power: 200W How to purchase: 1. Before purchasing, please compare the original motor model to determine whether your motor is 15T or 19T (if the number of teeth is different, it cannot be replaced) 2. After determining the teeth of the motor, please confirm the battery voltage. If you have a 12V battery, please choose a 12V motor. If you have a battery of 18V or above, please choose a 24V motor