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 smartlife TUYA app 4.Can set over voltage/under voltage/over current /leakage current/ Temperature/in app or can set these by manual 5.Under voltage protection 85V-220V (adjustable) (default: 170V) 6.Over voltage proteciton 110V-300V (adjustable) (default: 275) 7.Over current protection 1A-63A (adjustable) (default: 63A) 8.Leakage protection value: 10-300mA 9.Prepaid function 10. power consumption less than 2W