brand new and high quality Features: Input voltage: DC5-36V (specific voltage is equal to the rated voltage of the motor) Output current: within 15A Forward rotation reverse: Bidirectional for Protection current: 15A Input current: It is larger than the motor work. Speed control mode: Potentiometer (270 degree linear) Speed range: 0 Supported motor: Brushless motor Wiring type: Barrier terminal block Knob type: 100K (with switch) Speed regulation mode : 270 degrees of linear potentiometers (with switch) Applicable motor: for DC three-phase brushless motor Dimensions: 6x8cm/2.36x3.15inch Color: As shown Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Notice: 1. The input voltage must be positive or negative. Do not input 220V household electricity. 2. The input voltage should be equal to the rated voltage of the motor (within 5-24V). Package includes: 1 x Motor Speed Controller (without retail package)