Item Type: Smart Thermometer Material: ABS Host Battery Parameters: 2xAAA Battery (Not Included) Outdoor Transmitter Battery Parameters: 2xAAA Batteries (Not Included) Internal Temperature Range: 0-60C Outdoor Temperature Range: -40-60 Temperature Accuracy: 1 Temperature Resolution: 0.1 Package List 1 x Temperature Display 1 x Outdoor Transmitter 1 x Instruction 1WIRELESS TRANSMISSION: Equipped with a wireless sensor, wireless transmission open transmission distance of 100 meters, even long distance can also be measured. 2EASY TO READ: Large LCD screen with a large number of numbers is very easy to read, convenient for your use. 3SUITABLE PLACES: Very suitable for homes, offices, modern plant greenhouses, incubators, nutrition rooms, schools, laboratories, baby rooms, hospitals and other places. 4MINI DIGITAL THERMOMETER: The mini digital thermometer has low energy consumption, high accuracy and stability, and can display the weather and indoor and outdoor temperature. 5COMPACT AND SIMPLE DESIGN: Compact and simple design, it has a shelf and a hole fixed on the hook wall, which can be hung and stand.