- Good accuracy - Easy reading - Maintenance free - Durable and reliable Weather station in aluninium case Size: 22.3x14.2x6.8cmMeasuring range:- Temperature: -20 to +50 degree centigrade;- Humidity: 29% to 90% Rh;- Atmospheric pressure: 960-1069 hPa;PATENT DESGIN NO.2006 3007 2638.2Both aluminum and stainless steel frame available Weather station