Description This is a multi-purpose color screen weather clock for indoor use. A practical and useful device for home and office use. You will easily know the indoor temperature and humidity from this device.It is made of material, which is durable and lasting for use. Features - Color: Black.- Material: Plastic+coated glass.- Size: About 16.10X11.50X3.50cm/6.33X4.52X1.38inch.- Battery: Battery (Not Included).- Measures humidity and temperature, very practical and durable, and humidity level icons indicate current air conditions.- Allow you to response ahead of time, such as adjusting your thermostat or humidifier in advance.- Time dual-ring alarm function, can be set for weekday alarm and weekend alarm.- Easy to operate and use, premium material, long serving time.- Record of maximum and minimum indoor and outdoor temperature, multi-purpose and practical.SpecificationTime calendar display: January 1,2000 to 31, 2099Time system 12HR/24HR display selectionWeekly display in 7 languages: English, German, Italian, French, Spanish, Holland language, DanishTime double alarm function (can be set to alarm on weekdays and alarms on weekends)Snooze function can be set for 5~60 minutesIndoor temperature display range: 0~+50 and +14~+122, display resolution: 0.1 and Indoor humidity display range: 20%RH95%RH, display resolution: 1%RHOutdoor temperature display range: -20+70 and -4+158, display resolution: 0.1 and Outdoor humidity display range: 20%RH95%RH, display resolution: 1%RHTemperature display format selection (/)Indoor environment level 3 comfort display6-level weather forecast (predict the weather in 12 hours): sunny, cloudy, cloudy, rain, heavy rain, snow433MHz ASK receiving OUTDOOR transmitter, up to 3 effective RF channels3-level backlight selection-USB power supply modeOutdoor temperature upper and lower limit alarm and frost point alarm function.Temperature, humidity trend displayRecord of the maximum and minimum indoor and outdoor temperature10 seconds backlight function-battery modePower supply: host: 21.5V "AA" (without batteries) Transmitter: 21.5V "AA" (without batteries)Packing list: 1 x weather clock1 x USB power cord1 x sensor1 x manual in five languages