Function: 1. Under voltage protection 140V-210V (adjustable) (default: 170V) can be disable2. Over voltage proteciton 230V-300V (adjustable) (default: 270V) can be disable3. Over current protection 1A-63A (adjustable) (default: 63A)4. Reconnect time (delay on time): 1-500s (default: 30s)5. Voltage meter6. Ammeter7. Energy meterWhen off, the product can memory the Kwh, over voltage, under voltage and over current value.When V LED flash, it means over or under voltage protectionWhen A LED flash, it means over current protection.Rated voltage: 140-300VFrequency: 50Hz/60HZPoles Number:V A Kwh typeRated Current:63A Name:Type:Voltage protectorModel Number:TOVPD1-63VAEcolor:WhiteMaterial:plasticsize:85 x 36 x 65mmPackage Contents:1 x Protective Device Protector RelayOnly 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.