This is a smart switch which can control 2 devices, for example lights/ceiling fan. Use Amazon Alexa or Google Smart Home to control using your voice, or the eWelink app.
Optionally, flash with custom firmware such as Tasmota to control through Home Assistant.
Power Supply: 90V~250V AC
Max. Current: 16A
Wireless Standard: Wi-Fi 2.4GHz b/g/n
Security Mechanism: WEP/WPA-PSK/WPA2-PSK
Operating Temp.: 0℃~40℃
Operating Humidity: 5%-95%
CE & RoHS Certified