Feature 1The controller is more stable, efficient, low current consumption and long service life. 2Support 64V or 48V control, easy to use, stable performance. 3Professional manufacturing, product quality is worthy of your trust. 4The controller is used for DC 48V 64V 500W, and the three-phase line of brushless motor is not used for two-wire brushless motor. 5This product is suitable for electric bicycles and scooters.Features: The controller is more stable, efficient, low current consumption and long service life. Support 64V or 48V control, easy to use, stable performance. Professional manufacturing, product quality is worthy of your trust. The controller is used for DC 48V 64V 500W, and the three-phase line of brushless motor is not used for two-wire brushless motor. This product is suitable for electric bicycles and scooters. Specification: Condition: Brand New Item Type: Brushless Controller Color: Shown as Picture Material: Alloy Rated Voltage: 48 V 64 V Rated Current: 31A Rated Power: 500 W Matching Motor: Brushless Motor 3-phase Line Under-Voltage Protection: 41 V Throttle Voltage: 1 V to 4.2 V Phase Angle: 60/120 Degrees Brake Level: Low / High Cooling: Natural Cooling Ambient Temperature: -20-50 Protection Level: IP55 Instruction: 1. Connect the power supply, motor and accelerator, and power lock, but do not connect the aisle. 2. Connect the adaptive learning cable. 3. Turn on the ignition and turn the throttle. If the engine is running well, connect the aisle. 4. If the motor rolls again, disconnect the adaptive learning cable and check the motor again before connecting room cable. Package List: 1 x Brushless Controller