Specification: Material: Plastic + Acrylic Color: Cream Size: Approx. 200*60*22mm Humidity Meter Accuracy (RH): 5%Temperature Range: - 40 - +50 °CFrection: The highest minimum thermometer is used to record the highest temperature and minimum air temperature at a certain time. The temperature around the tube in the blue needle indicating the wool stoma, blue when the temperature changes the increase of the indicator, and when the temperature decreases, the blue indicator has no effect on the temperature drop and changes, which indicates the maximum or minimum temperature. Good workmanship and good performance. Convenient to use. Usage:1. The thermometer should be suspended in the air.2. Watch the temperature time and make a decision. Record the temperature indicated at the bottom end of the indicator during observation and press the button to snap the needle and column at both ends. Package Included: 1 x Max-min ThermometerNote: Item color displayed in photos may be showing slightly different on computer monitor since monitors are not calibrated same. Please allow 1-2cm slight deviation due to manual measurement. Thank you!