About this item Home Humidity Temperature Monitor: This portable thermometer hygrometer measures indoor humidity and temperature, help you know the indoor air conditions. Become the ideal choice for your personal and professional life. Humidity measurable range: 10%-99%, humidity measurement accuracy: 5% - 10% (at room temperature 25 ). Reliability, measured once every 10 seconds, providing the latest and accurate reading. Measurable temperature range: -50~+70 (degrees Celsius), temperature measurement accuracy: 1.0. You can see the current indoor climate and use a humidifier to adjust the room's temperature and humidity as needed. Battery: two LR44 button batteries, size: 48*28.6*15.2 mm. 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. Thlevel Digital Humidity Meter Thermo-Hygrometer is very popular and widely used in living room, greenhouse, musical instrument room, wine cellar, basement, warehouse, granary, baby room, Wardrobe used.