FUNCTION: It can measure humidity and temperature indoors and outdoors. It has a button with which you can change the temperature indicator to C and F. Quick response that measures every 10 seconds to provide up-to-date and accurate readings. COMFORT LEVEL INDICATION DIGITAL HYGROMETER: Level icons indicate current air conditions: a smiley face for comfortable, three drops of rain for uncomfortable and a drop of rain for normal comfortable. MATERIAL: made of quality, durable plastic with a gray control panel with LCD screen where it shows the numbers clearly. EASY TO USE: The thermometer's simple one-button design makes use more convenient. Thanks to the LCD screen with large numbers, you can easily see the temperature and humidity both outdoors and indoors. APPLICATION: The thermometer comes equipped with a hole for hanging and a stand for backing, it can be You can place it on a table or just hang it. It is small and light, easy to carry. Very suitable for greenhouses, offices, bedrooms, kitchens, living rooms, etc. Comes with batteries included.