Features:Celsius/ Fahrenheit switchable.Memory function: shows Max/Min value of temperature/humidity.LCD display.Backstand for easy reading.Specifications:Item Type: Thermometer Hygrometer Temp Range: 0 centigrade ～50 centigrade(0~122°F)Humidity Range: 10%RH～99%RHTemperature Accuracy: 0.1 Celsius degreeHumidity Accuracy: 1%LCD Display Area: 70 * 30mm/ 2.76 * 1.18in Battery: 1 * AG10(not included)Material: ABSColor: BlackItem Dimension: 8.8 * 4.8 * 1.1cm/ 3.5 * 1.9 * 0.4inItem Weight: 43g/ 1.5ozPackage Dimension: 9 * 6.8 * 2.5cm/ 3.5 * 2.7 * 1.0inPackage Weight: Approx. 50g/ 1.76ozPackage list:1 * Thermometer Hygrometer