1. Input voltage: 220 v 

2. Maximum power: 2000 watts 

3. Adjustable voltage: 50v-220v Applicable equipment: electric oven, electric kettle, lamps, small motor, iron. Wait

 5. High temperature FR-4 board 

6. Connect the device to a lamp or household appliance in series, then turn the knob for dimming, speed, voltage, and temperature control.