Perpetual Calendar Weather Forecast Color Screen Digital Display Projection Clock Features: 1. Optional 1224 hour format time 2. 2099 Perpetual Calendar 3. Working days in 7 languages (Simplified Chinese, Traditional Chinese, English, German, French, Spanish, Italian) 4. Dual alarm 5. Snooze time setting (1-30 minutes or off) 6. Remote sensor low battery indication 7. Comfort level icon display 8. Weather forecast and barometer function 9. Ice warning 10. Time and Temperature Projection 11. Projection display 180-degree rotation function 12. Humidity measurement range: 20%RH-95%RH 13. Maximumminimum value recording of temperature and humidity 14. Temperature: -Indoor temperature measurement range: -9.9 degrees Celsius to 50 degrees Celsius (14.2 degrees Fahrenheit to 122 degrees Fahrenheit) -Outdoor temperature measurement range: -40 degrees Celsius to 70 degrees Celsius (-40 degrees Fahrenheit to 158 degrees Fahrenheit) -Temperature unit: CelsiusFahrenheit 15. Wireless outdoor sensors: -433.92MHz RF transmit frequency -60m transmission range in open areas -Supports up to 3 wireless sensor connections (1 included in package) Product parameters: 1. Power supply: USB cable connected to power supply 2. Built-in battery: CR2032 x 1 (only used for memory function, shipped with battery) 3. USB input: DC5V1.2A 4. Wireless sensor battery: LR06AA x 2 (battery included in delivery) 5. Projection clock size: 204 x 82 x 37.5mm 6. Wireless sensor size: 50 x 97 x 32mm Packing list: -Projected weather clock x 1 -Wireless sensor x 1 -USB power cord x 1 -Manual x 1