ITEM NAME:pwm speed controller PWM electronic governor 40A DC 10V-50V 12V / 24V / 36V M1N7 pwm speed controller PWM electronic governor 40A DC 10V-50V 12V / 24V / 36V M1N7 Colour:green Material:ABS Input voltage: DC10-50V. Output voltage: Load Linear. Input Current: require large than the motor operating current. Output Current: determine load size. Continuous current: 40A within. Maximum power: 2000W. Knob hole: 7mm. Speed type: modulated current. Speed mode: ON \ OFF linear potentiometer 270 degrees. Speed range: 0-100%. Operating frequency: 25KHZ. Forward Reverse: Support. Size: 100 * 76 * 28 mm(L*W*H). Weight: 180g. Package Contents:1 X Brushed DC motor controller Note: Light shooting 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..Continuous current: 40A within. Forward Reverse: Support. Speed range: 0-100%. Speed type: modulated current.