1. Material: plastic 2. Current: 40A, 63A, 80A 3. Rated voltage: AC 220V 50 or 60Hz 4. Under-voltage protection value: 219V-150V-OFF(adjustable) 5. Over-voltage protection value: 221V-300V-OFF(adjustable) 6. Disconnection capacity: over-voltage 221-300V, under-voltage 150-219V (adjustable) 7. Size: about 8.5x6.5x3.5cm Features: 1. Over-voltage protection 2. Under-voltage protection 3. Voltage display (voltage measurement) 4. The over-voltage protection value is adjustable 5. Adjustable over-voltage recovery value 6. The over-voltage protection action time is adjustable 7. Adjustable under-voltage protection value 8. Brown-out recovery value 9. The action time of under-voltage protection is adjustable 10. The fault recovery delay time is adjustable 11. Power-on delay power-on time is adjustable 12. Reset method selection 13. Troubleshooting 14. Factory reset Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.