This comprehensive weather station has a wide range of measurements.  Actual Size: 10" x 7.5" x 1"

• Three weather icons and weather tendency indicators make forecasts easy
• Wireless outdoor temperature (°F or °C)
• Monitors indoor temperature (°F or °C)
• Monitors indoor humidity (%RH)
• Records MIN/MAX temperature with time of recording
• Barometric tendency arrow eliminates the dial tapping of old analog instruments 
• Calculates sun/moon rise and set, based on your choice of 45 different cities
• Displays current moon phase, so you won't guess on cloudy days
• Atomic time imeans super time accuracy, plus date with manual setting
• Automatically updates for Daylight Saving Time (on/off option)
• Choice of 12/24 hour time display
• Perpetual calendar handles leap years without resetting
• Time zone setting with reference US time zone map
• Time alarm with adjustable snooze
• Low battery indicator
• Wall hanging or free standing; detachable stand included
• Can receive up to 3 sensors (one included)
• Receiver measures 6.75" x 4" x 1.4"; Sensor: 5.5" x 1.625" x 1"
• Power Requirements:Receiver: 3 “AA” alkaline batteries; Wireless Sensor: 2 “AA” alkaline batteries