Wireless Wifi Relay Switch DC 5-32V 4 Channel / 433mhz Remote Control Smart Home

Relay Module+433mhz. Mode of transport: Wifi. Wireless Standards:Wifi 2.4GHz b/g/n. Relay Module. With Signal Indicator Lamp Relay Operation Lamp. Working Humidity:≤80%. Spot Welder. 45 In 1 Sensor.

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