1、THERMOMETER FUNCTION: The indoor temperature displayed by weather clock is measured by the host computer, while the outdoor temperature displayed is the data received by the outdoor sensor. 2、MEASUREMENT OBJECTS: Weather monitor clock has a wide range of measurements to sense temperature, humidity and atmospheric pressure, and weather forecast is close at hand. 3、WEATHER FORECAST: Weather forecast clock can display various weather conditions, such as sunny, cloudy, light rain, heavy rain, light snow, heavy snow and other 7 kinds of weather forecasts. 4、USB CHARGING: Weather display clock has a USB charging port, which can be connected to cell phones and other electronic devices, which can be charged after connection. 5、BEDROOM ALARM CLOCK: Weather projection clock projects on the wall in a soft red color with a very clear view, but will not disturb you or your children's sleep. Item Type: Weather Clock Material: ABS Product Size: Approx. 20.5x13x3cm / 8.1x5.1x1.2in Gross Weight: 591g/1.3lb Battery: Clock: 2 x AA LR6 Batteries (shipped without batteries) Sensor: 2 x AA UM 3 1.5V Batteries (shipped without batteries) Calendar display, time system 12HR and 24HR display selection. Seven weeks show: EN GE FE SP IT DU DA Features: Alarm clock with snooze function, 12 level moon phase display, frost point alarm function, temperature and humidity trend display, air pressure trend chart display in the past 24 hours, 5 level comfort graphic display, weather trend display, USB charging port of mobile phone. Temperature and humidity display: Indoor temperature display range: 0℃ to +50℃ & +32℉ to +122℉. Indoor humidity display range: 20%RH to 95%RH Outdoor temperature display range: -40℃ to +70℃ & -44℉ to +158℉ Outdoor humidity display range: 20%RH to 95%RH Temperature display format selection (C/F) Air pressure display function: Air pressure display range: 600 hPa/mb to 1100 hPa/mb or 17.72 inHg to 32.50 inHg, Air pressure display resolution: 1 hPa/mb or 0.03 inHg Air pressure unit selection: mb/hPa or inHg Backlight function: When the battery is powered, the backlight lights up for 15 seconds and then goes out. Night mode (you can set the time to enter the night and the backlight level in the night mode) Forecast the weather forecast after 12 hours: sunny, cloudy, cloudy, light rain (light snow), heavy rain (heavy snow) 1 x Weather Clock(Battery not included) 1 x Power Cord 1 x Sensor 1 x Instructions