Temperature Humidity Sensor Smart Home Device Multiple Application Temperature Instruments With Real-Time and Historical RecordsMain Features:The Aqara temperature humidity sensor can monitor the temperature, humidity and atmospheric pressure, and can either then make changes to the environment of sending a notification to your phone via the APP. With the ability of matching with other smart devices such as gateway remote control, smart outlet, versatile controller, etc. this sensor is able to help you create a smart home. What is more, this smart sensor is easy to control the temperature and humidity change by viewing the data according to historical records.Main Features:Wireless connection: ZigBeeReal-time and historical recordsMultiple application: can connect to Aqara smart devices or other ZigBee devicesAutomatically alarmif the temperature, humidity and atmospheric pressure are abnormalDetects the temperature, humidity and atmospheric pressure conditionPowered by a CR2032 button cell ( included )Please download APP "Smart Home" from the Apple Store or Google PlayTemperature detection range: -20 - 60 Deg.C ( + / - 0.3 Deg.C )Humidity detection range: 0 - 100pct RH ( + / - 0.3pct )Atmospheric pressure detection range: 30 - 110KPa ( + / - 120Pa )Note: due to the different production batches, there are two different types of product package. Random delivery.Material:PlasticColor:Milk WhiteProduct weight:0.0110 kgPackage weight:0.0570 kgProduct size (L x W x H):3.60 x 3.60 x 0.90 cm / 1.42 x 1.42 x 0.35 inchesPackage size (L x W x H):7.70 x 11.00 x 2.70 cm / 3.03 x 4.33 x 1.06 inchesPackage Contents:1 x Aqara Temperature Humidity Sensor, 1 x Chinese User Manual