Function: 1. Under voltage protection 210V-145V (adjustable) (default: 170V) 2. Over voltage proteciton 230V-300V (adjustable) (default: 270) 3. Over current protection 1A-63A (adjustable) (default: 40A) 4. Reconnect time (delay on time): -300s (default: 30s) 5. Voltage meter 6. Ammeter 7. Short current and over current protection 8. Wifi remote control 9. Timer Rated voltage: 220V; Frequency: 50Hz/60HZ Error in real-time current, voltage : less than equal 5% size:93x72x66mm Material:Plastic + Metal colour:Gray White Package Contents: 1 x WIFI Circuit Breaker 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.