In the normal state, according to MAX/MIN key to switch showed the largestminimumvalue of the current temperature and humidity. In the MAX or MIN displays status, no buttons automatically after 8 seconds to return the current temperature and humidity display. The maximum/minimum temperature recorded humidity removal, in the MAX or MIN of the state , hold down the MAX/MIN button 2 seconds clear of the show the highest/ most low humidity, and return the current temperature and humidity display._x000D__x000D_Features_x000D__x000D_- Color: White._x000D_- Material: Plastic._x000D_- Size: 11.6 x 9.6 x 2.3 cm/4.6 x 3.8 x 0.9 inch._x000D_- Temperature range: 0-50/32-122_x000D_- Resolution of temperature measuring: 0.1. _x000D_- Accuracy of temperature measuring: 1._x000D_- Humidity range: 10%RH-98%RH. _x000D_- Accuracy of humidity measuring: 60%±5%._x000D_- Celsius fahrenheit conversion:/._x000D_- Battery: 1 x 1.5V AAA battery (not included)._x000D_- Display the temperature and humidity simultaneously._x000D_- Temperature can be displayed in °C/°F._x000D_- Memory of MAX and MIN measuring value._x000D_- 3 buttons to operate, easy to use._x000D_- This hygrometer thermometer has a bright front panel with a clear LCD display for easy reading even at a distance or at a glance.Packing list:2 x Hygrometer