Temperature display range: -9.9 degrees C 60 degrees C (14.2 ~ 140)Temperature measurement accuracy: 1 degrees CSmallest measurement increment in the device: 0.1 degrees C/)humidity 20 % 95 %Temperature measurement accuracy: 3% RHRefresh rate: 10 seconds - Power supply: 1 x 3V CR2032 battery (included)Battery life: 8-12 monthsProduct dimensions and weight: 70 x 70 x 14mm, 65gInstallation: magnet holder or stand "Coloured comfort indicatorHumidity measurementLarge, easy-to-read displayHigh build quality