Support Tuya APPSupport local or remote opening and closingSupport rail installationRemote control without distance limitLead-sealed wiring protection deviceWorking voltage: 220V, 230VWorking voltage: 80%Un-115%UnWorking current: 6A-63AFrequency range: (50-60) HzPower consumption: Voltage line: 1. 5WCommunication: Tuya WIFIWorking temperature: -20 -70Working humidity: 95%Dustproof and waterproof: IP20Measurement and metering: voltage. Current. Active power. Total active energy.Display: LCD displayMeasuring accuracy: voltage, current accuracy 1%, electric energy accuracy 2%Voltage accuracy: 2.0 level (with energy metering function 1.0 level)Current accuracy: 2.0 level (with energy metering function 1.0 level)Active power accuracy: 2.0 levelOvervoltage protection: Protection switch, overvoltage value; recovery value; judgment and recovery time.Undervoltage protection: Protection switch, undervoltage value; recovery value; judgment and recovery time.Overcurrent protection: Protection switch: overcurrent value; judgment timeOverpower protection: Protection switch: overpower value; judgment timeOvertemperature protection: Protection switch: overtemperature value; recovery value; judgment and recovery timeThe printing/appearance from batch to batch, but it not affect the use; the actual product may have color difference due to different light or display.Colour:Photo ColorMaterial:plasticPackage Contents:1 x Tuya WFI 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.