La Crosse Technology WS-9055TWC-GB Wireless Silver Weather Channel Forecast Station & Digital Clock

La Crosse Technology WS-9055TWC-GB 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. Features: -Air Pressure Tendency Arrow -Forecast Based on Changing Air Pressure -Monitors Outdoor Temperature -Indoor Temperature -Records MIN & MAX Temperature -Digital Clock -Wall Hanging or Free Standing -1-year limited warranty Specifications: -Wireless Outdoor Temperature Range : -21.8F to +157.8F -Indoor Temperature Range : 32 F to 140F -Temperature Accuracy: +/- 2F -Transmission Frequency : 433.92 MHz -Transmission Range : Up to 80 Feet -Compatible Sensor: TX6U -Receiver: 2 AA Alkaline batteries -Wireless sensor: 2 AA Alkaline batteries -Receiver Dimensions: 5.5 H x 3.2 W x 1.25 D -Sensor Dimensions: 5.5 H x 1.625 W x 1 D minimize