Dimensions:
Receiver: 17.75" x 6.5" x 1.25"
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)
• Barometric tendency arrow
• Moon phase
• Atomic time and date with manual setting
• Automatically updates for Daylight Saving Time (on/off option)
• 12/24 hour time display
• Time zone setting
• Wall hanging
• Can receive up to 3 sensors

Specifications:

• Indoor temperature range: 32°F to 140°F
• Wirelessoutdoor temperature range: -21.8°F to +156.2°F
• Temperature resolution 0.2°F
• Temperature accuracy: +/- 1.5°F
• Humidity range: 20% to 95%
• Humidity accuracy: +/-3% (35-85%); +/-5% (>85%, <35%)
• Transmission frequency: 433.92 MHz
• Transmission range: Up to 80 Feet
  
• Power Requirements:
  Receiver: 2 “AA” Alkaline batteries
  Wireless sensor: 2 “AA” Alkaline batteries