Feature:1. Indoor and outdoor temperature and humidity are displayed on the same screen, the data is more intuitive and the screen is more clear.2. It can not only show the temperature and humidity, but also show the time and calendar.3. The use of high-quality ABS material, non-toxic, odourless, makes the product safer, wearable and stable.4. Adopts / unit display to meet different people's reading habits and convenient to use.5. Suitable for using in baby room, bedroom, kitchen, study and living room.6. Be able to record the maximum/minimum temperature and humidity and the trend of temperature and humidityit will alert when the value exceeds a certain value.Specification:Condition: 100% Brand NewItem Type: Thermometer HygrometerMaterial: ABSReceiver Battery: 2 x AAA (not included)Generator Battery: 2 x AAA (not included)Receiver Size: Approx. 20 x 2.7 x 12cm / 7.9 x 1 x 4.7inIndoor Temperature Range: 0-50 (Temperature Accuracy: 1.5)Outdoor Temperature Range -40-70Indoor and outdoor Temperature and Humidity Range: 20%-95%Outdoor Machine Working Environment Temperature: - 9-+50Weight: Approx. 368g / 13ozPackage List:1 x Receiver1 x Emitter1 x InstructionNote:Please allow 1-3cm error due to manual measurement. Thanks for your understanding.