Feature:1. Supports overvoltage protection, undervoltage protection and voltage display, also support voltage measurement.2. Both overvoltage and undervoltage protection values and recovery values are adjustable, and overvoltage and undervoltage protection action time is also adjustable.3. The fault recovery delay time and poweron delay time are adjustable, and the poweron delay time is also adjustable.4. Support reset mode selection, fault query and factory reset function, can bring you more convenience.5. Highquality plastic material, hard, durable, corrosionresistant and also has long service life.Specification:Conditon: 100% Brand NewMaterial: PlasticColor: As the Picture ShownModel: SVP-912Whole Product Size: Approx. 35 x 85 x 65mm/1.4 x 3.3 x 2.6inRated Voltage: 230VAC 50HzRated Current:1-40A Adjustable1-63A Adjustable1-80A AdjustableUndervoltage Protection Value: 219V-150V-OFF (Adjustable)Overvoltage Protection Value: 221V-300V-OFF (Adjustable)Recovery Delay Time: 2-512sBoot Delay Time: 2-255sDisconnect Capacity: Overvoltage: 221-300V Undervoltage: 219-150V (Adjustable)Functions:1. Overvoltage protection2. Undervoltage protection4. Overvoltage protection value is adjustable5. Overvoltage recovery value is adjustable6. Overvoltage protection action time is adjustable7. Adjustable undervoltage protection value8. Adjustable undervoltage recovery value9. Undervoltage protection action time is adjustable10. Adjustable delay time for fault recovery11. Adjustable turn-on time after power-on12. Reset method selection13. Troubleshooting14. Restore factory settings.Package List:1 xUnder Over Voltage Protector1 x English Manual