Dimensions:
Receiver: 10" x 7.5" x 1"
Sensor: 2.36" x 2.87" x 4.76"

All Features:

• Weather forecasting function with 3 weather icons and weather tendency indicator
• Wireless outdoor temperature (°F or °C)
• Wireless outdoor humidity (%RH)
• Monitors indoor temperature (°F or °C)
• Monitors indoor humidity (%RH)
• Records MIN/MAX temperature with time and date of recording
• Records MIN/MAX humidity with time and date of recording
• Barometric tendency arrow
• Barometric pressure with 24 hour history graph (in inHg or hPa)
• Indoor comfort level icon
• Moon phase
• Atomic time and date with manual setting
• Automatically updates for Daylight Saving Time (on/off option)
• 12/24 hour time display
• Perpetual calendar
• Time zone setting
• US time zone map
• Time alarm with snooze
• Wall hanging or free standing
• Detachable stand included
• Can receive up to 3 sensors

Specifications:

• Wireless outdoor humidity range: 1% to 99%
• Indoor humidity range: 1% to 99%
• Wireless outdoor temperature range: -21.8°F to 157.8°F
• Indoor temperature range: 14.2°F to 139.8°F
• Transmission range: Up to 330 Feet
• Transmission frequency: 433.92 MHz
• Compatible sensors: TX3U, TX3UP, TX6U, TX7U
  
• Power Requirements:
  Receiver: 3 “AA” Alkaline batteries
  Wireless sensor: 2 “AA” Alkaline batteries