Dimensions:
Receiver: 6 " x 2.5 " x 1"
Sensor: 5 " x 1.5 " x .83 "

All Features:

• Wireless Outdoor Temperature
• Monitors Indoor Temperature
• °F or °C Selectable
• Records MIN & MAX Temperature
• Digital Time
• 12 or 24 Hour Time Display
• Can Receive Up to 3 Sensors
• Wall Hanging or Free Standing
• Detachable Stand Included

Specifications:

• Indoor temperaturerange: 14.1°F to 139.8°F (-10°C to +59.9°C)
• Outdoor temperature range: -39.8°F to +139.8°F (-39.9°C to +59.9°C)
• Transmission range: Up to 330 feet
• Battery life lasts up to 24 months
• Power requirements:
  Receiver: 2 “AAA” Alkaline batteries
  Wireless sensor: 2 "AA" Alkaline batteries