Function: 1. Under voltage protection 140V-210V (adjustable) (default: 170V) can be disable 2. Over voltage proteciton 230V-300V (adjustable) (default: 270V) can be disable 3. Over current protection 1A-63A (adjustable) (default: 63A) 4. Reconnect time (delay ): 1-500s (default: 30s) 5. Voltage meter 6. Ammeter 7. Energy meter When power 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 protection When A LED flash, it means over current protection. Rated voltage: 140-300V Frequency: 50Hz/60HZ Poles Number:V A Kwh type Rated Current:63A Brand Name: Type:Voltage protector Model Number:TOVPD1-63VAE color:White Material:plastic size:85 x 36 x 65mm Package Contents: 1 x Protective Device Protector Relay Only 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.