a lot of automation can be done according to the data source. Support custom scene setting, you can preset the alarm value of temperature and humidity in APP, when the test value reaches the alarm value, APP will push the alarm. Temperature Monitoring: Automatically turn on the air conditioner in hot weather, pre-set in the APP to reach a certain temperature and automatically turn on or off the air conditioner. Humidity Monitoring: Automatically turn on the humidifier when the air is too dry, and automatically turn on or off the humidifier when a certain humidity level is pre-set in the APP. Baby Mode: Automatic reminder beyond the comfort zone, set the mode interval, humidity or temperature exceeds the value of the interval, APP automatically remind. Two Versions Optional:There are two versions for you to choose, you can choose from Wifi version and ZigBee version according to your demands. The ZigBee version needs to be connected to gateways (not included). Wide Applications: It can help accurate monitoring indoor temperature and humidity, creating a comfortable living environment no matter the weather is hot in summer or cold in winter. Suitable for bedrooms, dressing rooms, fruit stores, greenhouses, hatcheries, laboratories, machine rooms, warehouses, cellars, etc. Specifications: Name: Temperature Humidity Tester Material: plastics Type: Wifi version, ZigBee version (optional) Battery: 2 * AAA battery (not included) Working voltage: 3VDC Working temperature: -10 to 60 Working humidity: 0-100%RH Wireless type: 2.4Ghz Wifi or ZigBee 3.0 Item size: 51 * 51 * 17mm / 2.01 * 2.01 * 0.67in Item weight: 19g / ounce Package size: 55 * 55 * 18mm / 2.17 * 2.17 * 0.71in Package weight: 30g / 1.06ounce Packing List: 1 * Temperature Humidity Tester