Dimensions:
Receiver: 8" x 12.2" x 1.18"
Sensor: 5.5" x 1.6" x 1"

• Wireless outdoor temperature (°F or °C)
• Monitors indoor temperature (°F or °C)
• 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
• Time alarm with snooze
• 4 languages to choose from: English, French, German, Spanish
• Wall hanging or free standing
• Swiss precision sensor

Specifications:

• Wireless outdoor temperature range: -21.8°F to 140°F
• Indoor temperature range: 32°F to 122°F
• Moon phase: 12 phases
• Transmission range: Up to 330 Feet
• Transmission frequency: 433.92 MHz
  
• Power Requirements:
  Clock: 2 "AA" Alkaline batteries
  Wireless sensor: 2 "AA" Alkaline batteries