supply protectorProduct specificationsRated voltage: 110V/220V; Frequency: 50Hz/60HzFunctions:1. Undervoltage protection: 80-210V (adjustable) (default: 175V)2. Overvoltage protection: 120-300V (adjustable) (default: 275V)3. Overcurrent protection: 1A-63A (adjustable) (default: 63A)4. Overtemperature protection: 10~85C (adjustable) (This function is only adjustable for models with WiFi, and this parameter is not adjustable for models without WiFi function, and can only be fixed at 85C protection)5. Reconnection time (time delay): 10s-99s (default: 30s)6. Leakage protection: 10-99mA (adjustable) (default: 50mA)7. Power display range: 0-99999.9kWh8. Voltmeter9. Amperemeter10. Energy meterNote: If the protection is moved three times due to leakage protection, the device will no longer automatically reconnect until the user checks the location of the power outage and repairs it to ensure people's safety! Other protections and reconnections can work more than 99999 times.PS: This device has a memory function. When the power is off, the device can memorize kilowatt-hours, overvoltage, voltage and overcurrent.Dimensions and weight1. Product size: 85*35*66mm2. Packing box size: 94*75*40mm3. Single gross weight: 0.178KG (including paper box instructions)Packing list: 1*SVP-688W-L WiFi backlight