Wireless switch with temperature and humidity monitoring Sonoff TH R3 20 without sensor

Description: Smart home ecosystem: Amazon Alexa, Google Home, eWeLink, communication protocol: Wi-Fi, sensor connection, rated current: 20A, maximum power: 4400W
Communication Protocol: Wi-Fi
Device connection type: Wireless
Supply voltage: 220 V
Rated current: 20 A
Max power: 4400 W
Works in the smart home system: There is
Ecosystem: Amazon Alexa, Google Home, eWeLink
Connecting sensors: There is