The product can only cut off L TOMPD-63SW with WIFI function Rated voltage: 80-300V; Frequency: 50Hz/60HZ This product can work with L N 110V and 220V 1. Remote control ON/OFF at anytime from anywhere by phone. 2. Review current ,voltage, leakage current, total kWh on phone 3. Timer function in TUYA app 4. Can set over voltage/under voltage/over current /leakage current in app or can set these by manual 5. Under voltage protection 80V-210V (adjustable) (default: 170V) 6. Over voltage proteciton 120V-300V (adjustable) (default: 270) 7. Over current protection 1A-63A (adjustable) (default: 40A) 8. Reconnect time (delay ): 1s-500s (default: 30s) 9. Voltage/current/kW calibration: -20%-20% 10. Action time: 1-30s (detault 1s) 11. power consumption less than 2W Note:This meter Only supports 2.4G Wireless Network, NOT for 5G. Colour:White Material:PC Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * TUYA WIFI Smart Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.