Feature:1. Real-time monitoring of home temperature and humidity changes and atmospheric pressure. Your phone will be notified when the temperature in your home is out of your comfort zone.2. Intelligent linkage to improve indoor temperature and humidity. When the temperature and humidity in the home deviate from the comfort level, the indoor temperature can be automatically adjusted by the conditioner partner.3. It is equipped with an intelligent socket and other connected humidifiers or other electrical appliances to improve the humidity in the home and maintain a healthy and comfortable living environment.4. Place the temperature and humidity sensor in the baby's room. When the temperature and humidity deviate from the comfort zone, the temperature and humidity can be automatically adjusted.5. Place the temperature and humidity sensor in your closet, and when the humidity gets too high, your phone gets a reminder, so you know your dehumidifier needs to be replaced.6. The sensor can also be matched with a number of intelligent accessories to achieve rich playing. Intelligent accessories work well when the Wi-Fi in your home is unstable or even interrupted.Specification:Type: 1 Pieces, 2 Pieces, 4 Pieces (OLptional)Color: WhiteModel: WSDCGQ11LMBattery: CR2032 button cell, 200mAhTemperature detection accuracy: -20~+60,±0.3Pressure detection accuracy: 30HPa~110KPa,±120PaItem Size: 36 * 36 * 9mm/1.42 * 1.42 * 0.35inPackage Size: 16 * 10 * 6cm/6.3 * 3.94 * 2.36in, 16 * 10 * 10cm/6.3 * 3.94 * 3.94in, 30 * 20 * 6cm/11.81 * 7.87 * 2.36inPackage Weight: 54g/1.9oz, 108g/3.81oz, 216g/7.62ozPackage List:4*Temperature Humidity Sensor4*User manual