WS-9080U-IT Wireless Temperature Station

All Features: Wireless Outdoor Temperature (°F or °C) Monitors Indoor Temperature (°F or °C) MIN/MAX Records for Temperature with Time/Date Stamp Atomic Time & Date Set Automatically Automatically Adjusts for Daylight Saving Time 12 / 24 Hour Time Can Receive Up to 3 Sensors Specifications: Wireless Outdoor Temperature Range: -39.8°F to 157.8°F (-39.9°C to 69.9°C) Indoor Temperature Range: 32°F to 139.8°F (0°C to 59.9°C) Transmission Range: Up to 330 Feet Power Requirements: Receiver: 2 AAA Alkalines Batteries Sensor: 2 "AA" Alkaline Batteries