ITEM NAME:220V AC SCR Voltage Regulator Dimmer Thermostat Electric Motor Controller New 1x Descriptio n Description: Working voltage: AC 220V Adjusting voltage: AC 0-220V Maximum power: 4000W (resistive load limit power) Specifications: Material: PCB Color: picture color Size: 85*55*38mm Package Included: 1* AC Voltage Regulator Note: Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 220V AC SCR Voltage Regulator Dimmer Thermostat Electric Motor Controller New 1x.Maximum power: 4000W (resistive load limit power). We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.