FJ3383C Indoor Comfort Monitor Weather Station Clock Wireless Sensor Alarm Clock with Temperature/Humidity ?Time calendar display: Jan. 1,2000,to Dec. 31,2099; Time format: 12H/24H optional,Temperature display format: ?? or ��H ?Weekly display in 7 languages: English,German,Italian,French,Spanish,Dutch,and Danish ?Time dual-ring alarm function can be set to alarm on weekdays and alarms on weekends. The snooze function can be set for 5~60 minutes ?Screen display: Indoor environment level 3 comfort level display; Level 3 mold risk display in the indoor environment; Temperature & humidity trend display ?Indoor temperature range: 0??~+50?? & +14��H~+122��H,display resolution: 0.1 ?? & ��H ?Indoor humidity range: 20%RH~95%RH,display resolution: 1%RH ?Outdoor temperature range: -20??~+70?? & -4��H~+158��H,display resolution: 0.1 ?? & ��H ?Outdoor humidity range: 20%RH~95%RH,display resolution: 1%RH ?433MHz ASK receiving outdoor transmitter,up to 3 effective RF channels ?Outdoor temperature upper and lower limit alarm and frost point alarm function ?Record of max. and min. indoor & outdoor temperature ?6 weather forecasts (predict the weather in 12 hours): sunny,cloudy,overcast,rain,heavy rain,and snow ?10s backlight lighting function by battery mode,3-level backlight selection by the USB power ?Power supply: the clock is powered by 2 x 1.5V AA (no batteries)/USB power; Transmitter is powered by 2 x 1.5V AA (no batteries) Package included: ?1 x Weather Clock ?1 x USB Power Cord ?1 x Sensor ?1 x English Manual