WeatherSpy2.0 WS 1066 Radio controlled, advanced technology, instant reception multi-function Wireless Weather Station,Indoor Outdoor Thermometer, Indoor Outdoor Humidity Monitor / Digital Hygrometer, Digital Barometer with dynamic 24-hour Barometric Pressure graph,Moon Phase with Digital Alarm Clock / Calendar.Perfect gift for baby's room, mom's room, office, wine cellar or anywhere the ambient environmental conditions are important to see at a glance.Large 5" LED green back light screen makes for easy viewing and night time reading.. RADIO CONTROLLED Time and Data or by manual setting.LED green backlight (LARGE 5" SCREEN) for nights. Four (4) Easy Set Up Buttons. Advanced Technology, with Synchronized INSTANT reception;14 days learning mode of weather changing Wireless Indoor Outdoor humidity (%RH), and Indoor Outdoor Temperature (C or F) TRANSMISSION RANGE: 330 feet (110 yards, 100 meters), up to 3 Remote sensors; Records Min / Max Humidity, Min / Max Temperature, Min/Max Barometric Pressure BAROMETER, displaying 24-hour History Graph( hPa); Pressure range 750hpa to 1,100hpa