Features 1、Multi-Function Weather Stations: Weather station has comprehensive function, such as indoor outdoor temperature (℃/℉), inside outside humidity, MAX/MIN temperature and humidity record, indoor/outdoor temperature alert and battery low pressure indication. 2、3 Channels Home Weather Stations: Temperature forecast station supports up to 3 remote sensors to monitor inside outside temperature & humidity of multiple locations, such as baby room, storage room, wine cellar, vegetable shed, etc. (The digital weather station contains one remote sensor). 3、2 Placement Methods: Our indoor outdoor thermometer wireless has two placement methods. Both the main unit and the transmitters can be hung on the wall and placed on the tabletop. 4、White Backlight Screen: This multi-function weather clock displays information in bright black fonts, making it clear and easy to read. Press the backlight button and the screen will light up for 20 seconds, which can maintain good readability even in dim environments. 5、Max/Min Records: This indoor/outdoor thermometer trends display temperatures, making it easy to record maximum and minimum indoor and outdoor temperatures. Specification Specifications: Material: ABS 1. Measuring Range Indoor Temperature Display Range: -10℃～+50℃ & 14℉～+122℉ Indoor Humidity Display Range: 20%RH～95%RH Outdoor Temperature Display Range: -40℃～+60℃ & -40℉～+140℉ Outdoor Humidity Display Range: 20%RH～95%RH 2. Resolution Temperature Display Resolution: 0.1℃ & 0.1℉ Humidity Display Resolution: 1%RH 3. Accuracy Temperature: 0℃～40℃/32℉～104℉: ±1℃/1.8℉; Other ranges: ±2℃/3.6℉ Humidity: 40%RH～80%RH: ±5%RH; Other ranges: ±8%RH Power Supply: Weather Stations: 3 * LR6 AAA batteries Sensor: 2 * LR6 AAA batteries (shipped without batteries) Package Weight: 275g / 9.70oz Package Size: 15 * 11.5 * 4cm / 5.91 * 4.52 * 1.57in Package List Package List: 1 * Weather Stations 1 * Remote Sensor 1 * User Manual (English, German, French, Spanish, Italian, Japanese)