1. Under voltage protection 140V-210V (adjustable) (default: 170V) 2. Over voltage protection 230V-300V (adjustable) (default: 270) 3. Over current protection 1A-63A/1-80A(adjustable) 4. Reconnect time (delay ): 1s-500s (default: 30s) 5. Electric leakage protection:10-99mA This Protector can cut off L and N at same time.More Safe than the market leakage protector which only Cut L wire Rated voltage: 230V; Frequency: 50Hz/60HZ Function: Power display range:0-99999.9kw/h Voltage/current/kW calibration: -9.9%-9.9% Voltage meter Ammeter Energy meter Colour:As Shown Material:plastic Package Contents: 1 x TUYA WiFi Smart Over Under Voltage Protector(Due to different product batches, the appearance , which does not affect the use) 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.