Application: This temperature humidity sensor can detect indoor temperature and humidity, and features high accuracy.Wide usage: You can use the data of this smart thermometer hygrometer to control your smart home appliances.Suitable places: This mini smart sensor is convenient to install and is suitable for home, office, school, warehouse, and so on.Alarm function: This WiFi smart sensor will send notifications to your phone when the temperature or humidity is over the limit.APP control: This wireless temperature sensor allows you to use a phone APP to check current temperature and historic temperature.Specification:Material: ABS.Color: Show as picture.Size(LxWxH): Approx. 69.5x24x18.5mm/2.74x0.94x0.73 inch.Temperature measuring range: -10-55.Humidity measuring range: 0-99%RH.Temperature accurate: 1.Humidity accurate: 5RH.Temperature error: 1.Humidity error: 5-8%RH.Transmission frequency: 2.4Ghz.Detection range: 3 meters.Static current: 10uA.Alarm current: 15mA.Battery: 2x AAA batteries(Not included).Note:There might be a bit of color distortions due to different computer resolutions.There might be a slight error due to different hand measurements.Need to be used with Tuya ZigBee gateway.Package Includes:1 Piece Temperature Humidity Sensor(with 2 Piece Screws, 1 Piece Pin, 1 Piece Sticker, 1 Piece Instrument).