Input voltage: DC5-36V ( voltage is to the rated voltage of the motor) Output current: within 15A Forward rotation reverse: Bidirectional Protection current: 15A Input current: It is larger than the motor work. Speed control mode: Potentiometer (270 degree linear) Speed range: 0-100% Supported motor: Brushless motor Wiring type: terminal block Knob type: 100K (with switch) Speed regulation mode : 270 degrees of linear potentiometers (with switch) Applicable motor: DC three-phase brushless motor Dimensions: 6x8cm/2.36x3.15inch Notice: 1. The input voltage must be or negative. Do not input 220V household electricity. 2. The input voltage should be to the rated voltage of the motor (within 5-24V). Motor Type: DC Motor Model Number: BLDC Three-Phase Sensorless Brushless Motor Speed Controller color:As shown Material:PC+Metal Package Contents: 2 x Motor Speed Controller Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.