[High precision] The digital indoor thermometer with 24 vents has a high precision of 2.7 F/ 1.5 C and 5% RH. Fast response, measuring every 10 seconds, very suitable for monitoring the temperature and humidity of offices, living rooms, reptile fences, warehouses, basements, wine cellars, etc.[3 Installation options] There are three installation options for indoor thermometer: the indoor thermometer has a desktop bracket with a hanging hole, which can be conveniently hung on the wall. The powerful magnet allows it to be placed on refrigerators and other household appliances. You can easily put the thermometer anywhere in your home.[Portable LCD screen] The compact and portable design of the hygrometer is very space saving and easy to carry. In addition, the household thermometer is equipped with a LCD display, which can easily and clearly read readings even in a long distance, and is very suitable for travel or business travel. (Note: The size is 2.3 inch high x 1.8 inch wide, about the size of an egg, which can be held in your hand)[ C/ F switch and simple operation] This hygrometer has only one button, and you can easily switch between Celsius and Fahrenheit temperature units. In addition, the hygrometer has three icons to indicate the current comfort level - "comfort" is a smiling face, "normal comfort" is a raindrop, and "discomfort" is three raindrops. You know the indoor condition is convenient.Material: Plasticcolour: BlackPackage Contents:2 x humidity meterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.