This intelligent temperature and humidity monitor built-in high sensitivity sensors, which can accurate sense the environmental temperature and humidity changes, and you can real-time monitor indoor environment remotely by smartphone APP from anywhere. Intelligent scene linkage, support custom scene settings, you can preset the threshold values of temperature and humidity in the scene, it will push alert message via app when reaches the threshold. Compatible with Alexa and Google Home for voice control. Features: Real-time Monitoring Design: Premium quality sensors ensure high accuracy of measurement data, high sensitivity, help accurate monitoring indoor temperature and humidity, creating a comfortable living environment no matter the weather is hot in summer or cold in winter. Large LCD Display: Equipped with a 2.9inch large LCD display with backlight, it clearly displays the temperature, humidity, brightness, date and time, all of which can be seen at a glance.? Comfortable Sleep: The backlight can be closed at night, which will not disturb your sleep at night. APP Remotes Monitoring: After connecting the Tuya APP, you can check the current temperature and humidity, and support check historical curves data on your mbilephone easily. Support check the day, month, and year historical curves. Fahrenheit and celsius Switchable: You can choose temperature unit between Celsius and Fahrenheit according to your use preference. Temperature & Humidity Control: Intelligent scene link, supporting custom scene settings to make your home more comfortable.? Temperature & Humidity Alarm: You can preset the highest and lowest threshold values for temperature and humidity in the scene page, which will push alarm via mobilephone APP and the value is displays in orange when exceeds the threshold, and support set the interval for pushing alarms. And the hygrometer will automatic promote alarm sound immediately when exceeds the temperature and humidity upper and lower limits. Voice Control: Support for voice commands to inquire about indoor temperature and humidity via third-party intelligent speakers, that are compatible with Alexa and Google Home. Two Installation Methods: Easy to install, it can be put on the desk or hung on the wall. Wide Applications: Suitable for bed rooms, cloak rooms, fruit warehouses, greenhouses, hatcheries, labs, machine rooms, warehouses, cellars, etc. Specifications: Name: Tuya Wifi Temperature Humidity Sensors? Material: ABS Display: LCD display with backlight Battery: 1 * built-in 500mAh lithium battery (included) Package size: 100 * 100 * 31mm / 3.94 * 3.94 * 1.22in Package weight: 100g / 3.53ounce Packing List: 1 * Tuya Wifi Temperature Humidity Sensors 1 * 1m Cable