This wireless weather station gives you: TIME - INDOOR AND OUTDOOR TEMPERATURES - INDDOR AND OURDOOR HUMIDITIES - BAROGRAPH - PRESSURE - MOON PHASES. Up to 3 outdoor transmitters can be added 

• DCF Radio controlled time with manual setting option
• Time reception ON/OFF (user selectable)
• 12/24 hour time display
• Time zone option ±12 hours
• Weekday and day calendar display (year and month only in setting mode)
• Alarm setting with snooze function
• Display 12 Moon phases throughout the year
• Weather forecasting with weather tendency indicator
• Indoor comfort indicator
• Temperature display in ºC/ºF
• Indoor and outdoor temperature display with MIN/MAX records and time of reception
• Humidity data display as RH%
• Indoor and outdoor humidity display with MIN/MAX records
• Relative air pressure hPa/ inHg with adjustable reference value
• Weather icon sensitivity setting
• Relative air pressure history for the past 24 hours (electronic barometer with barometric
pressure trend)
• LCD contrast selectable
• Can receive up to 3 outdoor transmitters
• Wireless transmission at 868 MHz
• Signal reception intervals at 4 seconds
• Low battery indicator
• Table standing or wall mounting


Specifications:
Temperature measuring range:
Indoor : -9.9ºC to +59.9ºC with 0.1°C resolution
14.2ºF to 139.8ºF with 0.2ºF resolution
(“OF.L” displayed if outside this range)
Outdoor : -39.9ºC to +59.9ºC with 0.1°C resolution
-39.8ºF to +139.8ºF with 0.2ºF resolution
(“OF.L” displayed if outside this range)
Indoor humidity range : 1% to 99% with 1% resolution
(Display “- -“ if temperature is OL.F; display “- -“ if < 1% and “99%” if > 99%)
Outdoor humidity range : 1% to 99% with 1% resolution
(Display “- -“ if outside temperature is OF.L; display 1% if < 1% and 99% if > 99%)
Interior data checking intervals
Indoor Temperature : Every 15 seconds
Humidity : Every 20 seconds
Air pressure checking interval : Every 15 seconds
Outdoor temperature and humidity data checking interval: Every 4 seconds
(or every 15 minutes if data are lost and display “--.-“)
Transmission range : up to 100 meters (open space)
Power consumption: (alkaline batteries recommended)
Weather station : 3 x AA, IEC LR6, 1.5V
Thermo-hygro transmitter : 2 x AA, IEC LR6, 1.5V
Battery life : up to 24 months
Dimensions (L x W x H):
Weather station : 117.4 x 31.2 x 227.1mm
Thermo-hygro transmitter : 57.3 x 62 x 135.6 mm (excluding wall bracket)

Package Content:
1 x Weather Station, colour: 
1 x Transmitter (TX 21 IT+)