ITEM NAME:DC 10V-60V PWM RC Motor Speed Control Regulator Controller Switch Module 20A Tw Product Discription: Operating voltage: DC 10V-60V Output Current: 0 to 20A. Frequency:25KHz. Continuous power: Max 1200W Speed range: Motor zero speed to maximum motor speed The maximum current up to 20A radiator or heat required to increase the fan Material: Plastic, metal Size (L*W*H):76mm*44mm*26mm Package Included: 1 x  20A Universal DC10-60V PWM HHO RC Motor Speed Regulator Controller Switch.Output Current: 0 to 20A. The maximum current up to 20A radiator or heat required to increase the fan. Speed range: Motor zero speed to maximum motor speed.