Smart Sensor HTC-2 Digital Humidity & Temperature Meter With Clock

Temperature measuring range : indoor -10 deg.C to 50 deg.C ( -58 deg.F to 158 deg.F ) outdoor -50 deg.C to 70 deg.C ( -58 deg.F to 158 deg.F ) Humidity measuring range : 20 % RH to 99% RH C / F : yes Accuracy of Temperature : /-1 deg.C, /-1.8 deg.F Accuracy of Humidity : /-5% Clock alarm function : yes Low battery indication : yes Power supply : AAA 1.5V Dimensions : 100 x 108 x 22 mm Temperature resolution : 0.1 deg.C Humidity resolution : 1% RH