1. Rail relay2. Tuya WiFi module3. Support a maximum current of 63A4. Adopt 63A standard terminals and buckles, two in and two out. (up and down)5. Overcurrent protection: more than 63A to disconnect the relayLED function:Red light: Indicating relay, when the indicator light is on, the light is on, and when the indicator light is off, it is offGreen light: network lightAfter power-on, you 't need to turn on addition, long press 5S and then turn on addition for 3min, indicator light flashes fast and fast, press and hold 5S again until indicator light flashes slowly, and enter the distribution network modeType:63A Tuya WIFI Rail Relay Metercolor:WhiteMaterial:plasticPackage Contents:1 x Relay MeterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.