Features: FORECAST STROUTE: Besides smart clock, it can forecast temperature, alert alarm, humidity, moon phase, comfortable level icons and clock with snooze, summer time, calendar, etc. iTsmart clock. EASY INSTALLATION AND 328FT TRANSMISSION RANGE: With easy operation, the sensor automatically connects and provides accurate reading data to the main device. In addition, it is quick and simple to install. MONITOR 4 DOMAINS: Adopting advanced RF radio frequency technology, our unique monitor that can read up to 3 separate sensors (only one sensor included) at the same time. ACRYLIC PANEL COLOR SCREEN: Our temperature and humidity monitor is 4.41 x 6.41 inch color acrylic panel display, make images and text easy to read at a glance even at night. < p>FLEXIBLE POWER OPTIONS: In order to operate the most accurate data, the back of the main device is designed with lots of breathable holes. For your convenience, you can choose plug.Package Includes: 1x Weather Stations Specifications: Material: ABS Interior temperature range: 0-60 (14-140), Outdoor temperature range: -40-60 (-40-140), Indoor and outdoor humidity range: 10%RH-99%RH Plug: European standard Plug: American standard Size: as the picture shows Wireless transmission range up to 328ft / 100m note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.