Features The controller can control speed,temperature and light. Wide range of working voltage between DC12~40V. The control mode is by pulse width modulation which will be not affected by noise. Maximum control power of the motor control is up to 400W. The speed regulation range is from 10~100%. Feature:1. The controller can control speed,temperature and light. 2. Wide range of working voltage between DC12~40V. 3. The control mode is by pulse width modulation which will be not affected by noise. 4. Maximum control power of the motor control is up to 400W. 5. The speed regulation range is from 10~100%. Specification:Item Type:Motor Speed Controller Working Voltage:DC12~40V Rated Current:8A Maximum Current:10A Static Current:0.02A(Standby Mode) Control Power:0.01~400W Potentiometer:Resistance B100K,Hole 8mm Regulation Range:10~100% PWM Frequency:13KHz Package List:1 x Module Package List 1 x Module