4. Scene Linkage:Automate your home devices as electric heater and humidifier,even with our new IR thermostat for auto AC control for more comfortable living environment,performing as whole house scene linkage under Tuya home devices. 1. Temperature and Humidity Sensor with LCD Screen:New updated sensor to monitor home temperature and humidity timely for most comfortable living environment, featured with LCD screen to check the temperature and humidity,together with the date and time for your convenience;charged by USB adapter for flexible usage. 3. Infrared Inductive Switch for Bright Backlight:Designed with the infrared sensing area to trigger the backlight on the large LCD screen,offering the best viewing effect in the dark to protect your eyes.Temp. unit convert between ℃ / ℉ in the APP or via the reset button on the device for much easier reading. 2. Compatible with Tuya / Life APP:Smartly monitor temperature and humidity data by phone via Tuya APP with no hub required,functional well in the APP to check with data graph by day,month and year record.Even with expression as the guardian mode to offer the best air and temperature for . 5. Work with for and Home:Voice control is available for this version of sensor,to know current temperature and humidity status via voice ;device share to family for convenience;fast pairing with Bluetooth on under 2.4G WiFi., Weight: 0.2866009406 Pounds, Manufacturer: NONDK