Indoor and Outdoor Thermometer and Hygrometer.MAX/MIN Temperature and Humidity Memory. Barometric Pressure and Temperature Alert. Indoor and Outdoor Temperature, Humidity and Air Pressure Trend. Daily Alarm, Snooze Function, Calendar and Moon Phase. 3 Levels Backlight Switch: High, Low, Off with Power Adapter. 2. Weather Forecast Function This weather forecast displays the 7 following color icons: sunny, slightly cloudy, cloudy, rainy, heavy rainy, snowy and heavy snowy. The weather symbols indicate the weather fluctuation over the next eight hours and not the current weather. 3. Temperature, Humidity and Barometric Pressure The weather station automatically starts receiving transmission from outdoor sensor (maybe take 3 minutes) after batteries inserted or DC adapter plug in. Also can press the TX button inside the outdoor sensor to make connect more quickly. Temperature alternative in F or C. Indoor temperature measurement ranges: 14 F to 122 F. Outdoor temperature measurement ranges: -13 F to 122 F. Indoor and Outdoor humidity measurement ranges: 20 percent RH to 95 percent RH. The ice alert symbol appears and alarm sounds when the outdoor temperature at 30 F to 37 F. Maximum and Minimum value record of temperature and humidity at the same time display in the LCD display, MAX display in Hi, MIN display in Lo both indoor and outdoor Time, Date, Alarm Clock, Snooze, Moon Phase and Backlight Calendar up to 2099 One easy set daily alarm with snooze function. When the alarm is ring, presses any button except the SNOOZE LIGHT button to stop the alarm clock. If touch SNOOZE LIGHT button, the alarm mode will get to SNOOZE mode. The alarm signal will sounds again after 5 minute. Moon phase automatically display on the LCD. When power adapter plugged in, backlight will keep lighting and press SNOOZE button to select 3 levels backlights: High, Low, OFF. If use battery only, backlight w