Dimensions:
Receiver: 5.64" x 3.18 " x 1.22 "
Sensor: 5.34 " x 2.26 " x 2.44"

• 15 Forecast Icons Based on Temp & Air Pressure Readings,
  Suggest What Kind of Weather to Expect & What to Wear
• 3 Weather Icons w/ Tendency Arrow: Sun, Sun w/ Clouds, Clouds w/ Rain
• Monitors Indoor & Outdoor Humidity (% RH) w/ MIN & MAX Records
• Wireless Indoor & Outdoor Temperature (°F or °C) w/ MIN & MAX Records w/ Time & Date Stamp
• Atomic Time & Date Sets Itself (Manual Setting Option)
• Automatically Adjusts for Daylight Saving Time (On/Off Option)
• Perpetual Calendar
• 12/24 Hour Time Display
• Wall Hanging or Free Standing

Specifications:

• Wireless Outdoor Temperature Range: -39.8°F to 139.8°F (-39.9°C to 59.9°C)
• Indoor & Outdoor Humidity Range: 1% - 99% RH
• Indoor Temperature Range: 14.1°F to 139.8°F (-10°C to 59.9°C)
• Receives up to 3 Remote Sensors
• Transmission Range: Up to 330 Feet
  
• Power Requirements: (Batteries not included)
  Receiver: 2 “AA” Alkalines
  Sensor: 2 “AA” Alkalines
• Battery Life Lasts up to 12 Months