Main Functions:  1.Four-kind weather forecast: sunny, slightly cloudy, cloudy, and rainy.  2.7 languages of weekday display :EN - DA - ES - NE - IT - FR - GE, Default language is EN (English) and default is M-D (month-day), you can press UP or DOWN to switch M-D or D-M display, no time zone function.  3.Indoor & outdoor temperature: indoor scope of 0℃--50℃. (32℉-122℉), outdoor scope of -20℃--70℃. (-58℉-158℉).  4.Indoor & outdoor humidity: range of detecting from 20% to 95%.  5. Calendar: 2001-2099 year.  6. Day, date, week & month display.  7. Alarm/Snooze.  8. RF Outdoor temperature/humidity display:3 channels of RF signal.  9.10 seconds of Color LCD display.  10. Power consumption: main unit 3XAAA batteries, sensor 2xAAA batteries excluded, 1meters USB cable included.  11. Lock or unlock the LCD screen.  12. USB port for phone charger (max. output 5V 1A).     Feature:  Color: Black;  Product size: 13.5*13.5*3cm;  Outdoor unit size: 3.4*2*9.2cm;  Packing size: 19*5*24cm.     Package Includes:  1 x Main Unit(Black);  1 x Outside Unit;  1 x USB Cable.