La Crosse Technology WS-7017U-IT Wireless Forecast Station in Aluminum

La Crosse Technology WS-7017U-IT All La Crosse Technology weather instruments, clocks and watches are calibrated daily to the atomic time standard of the National Institute of Standards and Technology. All instruments default to Fahrenheit, inches, mph and all atomic time pieces are tuned to the 60 kHz, WWVB radio signal broadcast by the National Institute of Standards and Technology at Fort Collins, Colorado. All Features: -Wireless weather station. -Weather forecasting function with 3 weather icons and weather tendency indicator. -Wireless outdoor temperature . -Monitors indoor temperature . -Monitors indoor humidity . -Atomic time and date with manual setting . -MIN/MAX value of temperature display with time and date of recording. -MIN/MAX value of humidity display. -Barometric tendency arrow . -Automatically updates for Daylight Saving Time . -Wall hanging or free standing . -Detachable stand included . -Can receive up to 3 sensors . Specifications: -Indoor humidity range: 1% to 99% . -Wireless outdoor temperature range: -39.8F to +139.8F. -Indoor temperature range: 14.1F to 139.8 F. -Transmission range: up to 330 feet . -Transmission frequency: 915 MHz. -Swiss precision sensor . Power Requirements: -Receiver: 2 AA Alkaline batteries. -Wireless sensor: 2 AA Alkaline batteries . Overall dimensions: -Receiver:5.4 H x 3.5 W x 1.18 D. -Sensor: 5.05 H x 1.5 W x .83 D.