Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Operating voltage: 10V-55V Output voltage: Linear under load Input current: Require than the motor operating current Output current: on load size Output current: 0-100A Continuous current: 60A Current at rest: 0.01A (standby) Maximum : 3000 W ( = voltage * current) Motor control: 0.01-3000 W, 12 V: 720 W (max), 24 V: 1440 W (max), 36 V: 2160 W (max), 48 V: 2880 W (max), 50 V: 3000 W (max). Knob hole: 7mm Speed type: adjustable current Speed mode: ON / OFF linear potentiometer 270 degrees Speed range: 0% -100% Frequency control: 15 KHZ Speed Control: potentiometer (with switch) Knob Specifications: 100 K (with switch) Speed type: control Advance : Support Digital positioning screen: 0-100 (full speed percentage) Board size: 120*96mm/4.72*3.78 inch Color: Green Material: Plastic Package Contents: 1 * Motor Speed Controller Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.