Function: 1. Sensitive Control: This brushless motor driver can provide stable speed and sensitive control of braking and direction changes. 2. High Efficiency: Wires and interfaces are durable and low failure for long time use. 3. Premium Material: This aluminum alloy brushless controller is sturdy and durable. 4. Easy to use: The interfaces have instruction labels for easy installation. 5. Application: Suitable for electric bike and electric scooter, good motor driver replacement. Specification: Item Type: Brushless Motor Controller Material: aluminum alloy; Rated working voltage: 24V / 36V Rated power: 350W Current: 13A Controller box size: Approx. 9x5.2x3cm / 3.5x2.0x1.2 inches Adapted motor phase angle: 60 / 120 (automatic identification and adaptation) Application: electric bicycles, scooters, etc. Package List: 1 x brushless motor driver Note: The brushless motor driver can only be used with 24 / 36V batteries.