Support Tuya APP Support local or remote opening and closing Support rail installation Remote control without distance limit Lead-sealed wiring protection device Working voltage: 220V, 230V Working voltage: 80%Un-115%Un Working current: 6A-63A Frequency range: (50-60) Hz Power consumption: Voltage line: ≤1. 5W Communication: Tuya WIFI Working temperature: -20℃ -70℃ Working humidity: ≤95% Dustproof and waterproof: IP20 Measurement and metering: voltage. Current. Active power. Total active energy. Display: LCD display Measuring 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 level Overvoltage 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 time Overpower protection: Protection switch: overpower value; judgment time Overtemperature protection: Protection switch: overtemperature value; recovery value; judgment and recovery time The 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 Color Material:plastic Package Contents: 1 x Tuya WFI 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.