Features Wide Application: This speed controller can adjust speed, temperature, voltage and light, suitable for American standard A and B sockets, widely used in exhaust fans, tungsten bulbs, electric stoves, angle grinders, marble machines, blowers. High Precision Display: This rheostat variable speed controller adopts precision regulating knob to regulate voltage with high precision. With the digital display, you can accurately know the working voltage of the machine, and the LED light makes the real-time voltage figure clearer. Stepless Speed Regulation: This speed controller adopts stepless speed regulation, which can easily change the speed according to the actual situation, if more devices can be used, easy to drive. 10A Overload Protection Switches: This governor uses overload protection switches to control the input and output voltages, which have overload and short circuit protection, and replaces the boat's switches and fuses. Excellent ABS Housing: The housing of this governor is made of excellent ABS material, which is wear-resistant and has a long service life. Specification Item Type: AC Motor Speed Controller Material: ABS Plug specification: EU plug 220-240V. Input: 220-240V Output: 0-220V Speed control mode: stepless speed control Maximum input current: 10A Maximum input power: 4000W Package list 1 x AC Motor Speed Controller