Backlight and Touchscreen: The hygrometer features a large 4" LCD display with backlight and touchscreen, making it easier to read in low light and simple to operate High Accuracy: With high accuracy within ±1°F/°C and ±5% Relative Humidity (RH), making this room thermometer ideal for living rooms, nurseries, kitchens, greenhouses, guitar rooms, offices, and basements Responsive Reading: The humidity reader displays current air conditions to help you implement proper humidity control, which can help your skin feel good and relieve allergies and other health issues MAX AND MIN RECORDS: The digital indoor temperature displays maximum and minimum humidity and temperature records and trends every 10 seconds, allowing you to adjust your thermostat or humidifier accordingly Multiple Placement Options: The indoor wall-mounted thermometer includes a tabletop stand, wall-mounting, and built-in magnet for use in any type of room. Selectable Fahrenheit/Celsius display units; powered by 2 AAA batteries (included)