Dimensions:
Receiver: 11.75" x 12" x 1.25"
Sensor: 5.5" x 1.625" x 1"

All Features:

• 4" high time display
• Wireless outdoor temperature (°F)
• Monitors indoor temperature (°F)
• Moon phase
• Atomic time and date with manual setting
• Automatically updates for Daylight Saving Time (on/off option)
• 12 hour time display
• Perpetual calendar
• Time zone setting
• Time alarm with snooze
• 3 languages to choose from: English, French, Spanish
• Wall hanging or free standing
• Swiss precision sensor

Specifications:

• Indoor humidity range: 1% to 99%
• Wireless outdoor temperature range: -21.8°F to 157.8 °F
• Indoor temperature range: 14.1 °F to 99.8 °F
• Temperature accuracy: +/- 1.5°F
• LCD contrast setting: 0 to 7
• Transmission range: Up to 330 feet
• Transmission frequency: 433MHz
• Swiss precision sensor
  
• Power Requirements:
  Clock : 3 "AA" Alkaline batteries
  Wireless sensor: 2 "AA" Alkaline batteries