Product Name: Multi functional Weather Clock Product size: Receiver: 13.5 * 2.6 * 8.4cm Transmitter: 10.5 * 5 * 3.7cm Product weight: Receiver: 163g Transmitter: 35.2g Screen size: 4.3 inches Body material: ABS Specifications: 1. Time display: The clock defaults to 0:00 when turned on 2.12 hour clock and 24-hour clock can be switched, default is 24-hour clock 3. Calendar display: The default display upon startup is 0:00 on January 1, 2023; Default date display format: D-M 4. There are 7 countries for the language of the week, which are set in the following order: EN (English) - GE (German) - FR (French) - IT (Italian) - NE (Dutch) - ES (Spanish) - DA (Danish). The default display when turned on is SU (Sunday); EN (English) 5. Indoor temperature display: -9.9 C~50 C (14 F~122 F) Error: 1 C 6. Indoor humidity display: 20%~95% 7. Outdoor temperature display: -50 C~70 C (-58 F~158 F) Error: 1 C 8. Outdoor humidity display: 20%~95% 9. Temperature unit switchable display: C/ F Default display unit: Temperature [] 10. Low battery indication function for transmitter and receiver 11. Level 5 Weather Forecast: Sunny, Cloudy, Cloudy, Rainy, Snowy 12. A set of alarm clocks (default display when turned on: 0:00) 13. snooze function: default 5 minutes 14. Maximum/minimum temperature and humidity values for the day, automatically clearing indoor and outdoor temperature and humidity MAX/MIN values at 0:00 every day 15. Trend arrow indication 16. Backlight: Short press any button to turn on the backlight for 10 seconds, and use a USB to TYPE-C power cord to power on the backlight for a long time 17. Wireless transmission distance: The open distance is 100 meters 18. Product certification: FCC certification; FCC test report; CE certification; CE test report; ROHS certification; ROHS Test Report 19. Power supply method: Receiver: USB data cable/3 * AAA battery power supply; Transmitter: Powered by 2 * AAA batteries Note: The product shipment does not include batteries Package Included: 1 set * (1 receiver, 1 transmitter, 1 transmitter base, 1 USB data cable, 1 instruction manual)