1. Under voltage protection 150V-190V (adjustable) (default: 170V) 2. Over voltage proteciton 250V-300V (adjustable) (default: 270) 3. Over current protection 1A-63A (adjustable) (default: 63A) 4. Reconnect time (delay ): 5s-90s (default: 30s) 5. Electric leakage protection:10-99mA(This feature can be turned off) Rated voltage:230V Frequency:50Hz/60HZ Power display range:0-99999.9kw/h Voltage meter Ammeter Energy meter NOTE:If the protector trips three times due to leakage protection, the device will no longer be reconnected automatically again until the user has checked where is the power failure and fixed it to make sure the people safety! Other protection and reconnecting can cycle for over 99999 times. PS:This device has memory function, when the power is cut off, the device can memory the Kwh, over voltage, under voltage and over current value. Colour:White Material:Plastic Package Contents: 1 * WiFi Smart Circuit Earth Device 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.