La Crosse Technology Wireless Weather Station

All Features: Wireless outdoor temperature (°F or °C) Monitors indoor temperature (°F or °C) Monitors indoor humidity (%RH) Records MIN/MAX Humidity & Temperature  12/24 Hour Time  Wall hanging or free standing Sensor includes 6 ft water-proof probe: CHANNEL 1 - data measured by internal sensor CHANNEL 2 - data measured by 6 ft probe

Specifications: Wireless outdoor temperature range: -39.8°F to +139.8°F (-39.9°C to +59.9°C) Indoor temperature range: 14.1°F to 139.8 °F (-10°C to +59.9°C)   Transmission range: Up to 330 feet Transmission frequency: 915 MHz Power Requirements: Receiver: 2 "AA" Alkaline batteries Wireless sensor: 2 "AAA" Alkaline batteries

Dimensions: Receiver: 3.86" x 2.9" x 1.15" Sensor: 4.8 " x 1.5" x .76"