1、Overvoltage protection, undervoltage protection and voltage display (voltage measurement). 2、Both overvoltage protection and overvoltage recovery values are adjustable, and the overvoltage protection action time is adjustable. 3、Both the undervoltage protection value and the undervoltage recovery value are adjustable, and the undervoltage protection action time is adjustable. 4、The fault recovery delay time and power‑on delay time are adjustable. 5、Reset mode selection, fault query and factory reset function. Condition: 100% Brand New Material: Plastic Model: SVP-916 Rated Current: 1-40A adjustable 1-63A adjustable 1-80A adjustable Undervoltage Protection Value: 219V-150V-OFF (Adjustable) Overvoltage Protection Value Range: OFF-80V-100V (Adjustable) 90V (Default) Recovery Delay Time: 2-512s (default is 60s) Boot Delay Time: 2-255s (default 2s) Mechanical and Electrical Performance: ≥4000 times Disconnect Capacity: Overvoltage: 221~300V Undervoltage: 219~150V (adjustable) Size: As Shown in the Picture Features: 1. Overvoltage protection 2. Undervoltage protection 4. Overvoltage protection value is adjustable 5. Overvoltage recovery value is adjustable 6. Overvoltage protection action time is adjustable 7. Adjustable undervoltage protection value 8. Adjustable undervoltage recovery value 9. Undervoltage protection action time is adjustable 10. Adjustable delay time for fault recovery 11. Adjustable power-on delay on time 12. Reset method selection 13. Troubleshooting 14. Restore factory settings 1 x Adjustable Voltage Protector 1 x English Manual