• Wireless outdoor temperature (F or C)
• Monitors indoor temperature (F or C)
• MIN/MAX value of temperature
• Wall hanging or free standing
• Detachable stand included
• Can receive up to 3 sensors
• Time display (manual setting)
• 12/24 hour time display

Specifications:

• Wireless outdoor temperature range: -39.8F to +139.8F
• Indoor temperature range: 14.2F to 139.8 F
• Transmission range: Up to 330 feet
• Transmission frequency: 915 MHz
  
• Power Requirements:
  Receiver: 2 AAA Alkaline batteries
  Wireless sensor: 2 AA Alkaline batteries

Dimensions:
Receiver:Receiver: 4.25" x 2.75" x 1"
Sensor: 5.05 " x 1.5" x .83"