Humidity Temperature Monitor This portable thermometer hygrometer measures indoor humidity and temperature, helps you know the indoor air conditions. Measurable humidity range 10%-99%, humidity measurement accuracy: 5% (at room temperature 25 ). Measurable temperature range -50 ~+70, temperature measurement accuracy : 1.0 . Battery Two LR44 button batteries, Size: 48*28.6*15.2 mm. Wide application Digital temperature and humidity meter are usually used in living rooms, greenhouses, wine cellars, basements, warehouses. Product features Mini size and exquisite design, easy to carry and widely used. The small and portable temperature and humidity meter is suitable for any scene. In addition, its beautiful and stylish look is also the beautiful room decoration. With the digital thermo-hygrometer, you can always keep an eye on the indoor climate and thus use the humidifier according to your wishes to adjust the temperature and humidity of the room.