1. Temperature and Humidity Sensor with LCD Screen: updated 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; by USB adapter for flexible usage. 2. Compatible with Tuya Smart/Smart Life APP:Smartly monitor temperature and humidity data by smart phone via Tuya Smart 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 . 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. 4. Smart Scene Linkage:Automate your home smart devices as electric heater and humidifier,even with our smart IR thermostat for auto AC control for more comfortable living environment,performing as whole house scene linkage under Tuya smart home devices. 5. Work with for Alexa and Home:Voice control is available for this version of ,to know current temperature and humidity status via voice ;device share to family for convenience;fast pairing with Bluetooth on under 2.4G WiFi. Colour:As Shown Material:ABS Package Contents: 1 * Temperature and humidity sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.