Temperature Humidity Test Thermometer Hygrometer -30-50C 20%-100%RH Product Name : Thermometer Hygrometer;Usage : Indoor Outdoor;Temperature Measuring Range : -30C~50C Humidity Measuring Range : 20%~100%RH;Measuring Accuracy : Thermometer: ,1C (-10~40C),&lt;2C(Other) Hygrometer: &lt;5%RH(40%~75%RH),&lt;7%RH(Other) : Hygrometer: &lt;5%RH(40%~75%RH),&lt;7%RH(Other);Dimension : 127 x 30mm/ 5" x 1.2" (D*T) Material : Plastic, Glass, Stainless Steel;Main Color : Black, Clear Net Weight : 103g;Package include : 1 x Thermometer Hygrometer