1. Tips: This Driver Is A DC Three-Phase Brushless Control Board That Requires The Motor To Have A Hall To Work Properly. 2. This Driver Is Only Suitable For Dc Brushless Hall Motors With An Electrical Angle Of 120 Degrees. 3. Newly Upgraded Bldc Wide Voltage 6-60v High Power 400W DC Three-Phase Brushless Hall Controller, 4. Support PLC0-5V Analog Control And Pwm Control Amplitude 2.5-5V 5. Humanized Design, The Interface Adopts Binding Posts, And The Standard Heat Sink Has An Integrated Speed Potentiometer On The Board. It Can Be Used Immediately After Powering On, Saving Time And Effort. Product Name: 400W Brushless Dc Motor Driver With Hall Working Voltage: 6 To 60V Maximum Current: Rated 16A, Value 20A Maximum Power: 400W Overcurrent Protection: Yes Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB+Plastic Size:about 63 x 45 x 31mm Package Contents: 1 x Motor Controller Driver Board 1 x Wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.