Acu-Rite Wireless Weather Station Forecaster The AcuRite What-to-Wear weather station uses patented Self-Calibrating Technology to provide your personal forecast of 12 to 24 hour weather conditions. Self-Calibrating Technology is generated from weather data measured by a sensor in your yard giving you the most accurate forecast available for your exact location. 20 different icons provide a clothing recommendation based on the forecast. Bold, easy to read LCD screen displays the weather trend, current indoor/outdoor temperature F or C , indoor humidity, time and date. Stands upright for tabletop or is wall-mountable. Outdoor sensor features powerful wireless technology, a weather resistant design, and an integrated hanger for easy mounting. 1 year limited warranty. Scale Fahrenheit Celsius, Temperature Range Outdoor 40F To 158F,Indoor 32F to 122F, Width 3.5 , Height 5 , Depth 3/4 , Receiver Range 165', Sensor Size 1.5 W x 5 H x 1 D, Humidity Range 1% To 99%, Wind Sensor Range N/A, Battery Type Sensor 2AA, Display 3AAA, Pkg Qty 1, Package Type Card