• Measures temperature and humidity indoors or outdoors. • Easy-to-read displays show current humidity and temperature. • Suitable for home, bedroom, children's room, office, bathroom, etc. • Temperature range: -50 ℃ ~ +70 ℃. • Temperature accuracy: ± 1.0 ℃. • Temperature resolution: 0.1 ℃. • Humidity range: 10% RH ~ 99% RH. • Humidity accuracy: ± 5% RH. • Humidity resolution: 1% RH. • Size: 4.4 x 4.4 x 1.3 cm. • Material: ABS. • Battery: CR2032. • Easy to install on table, shelf, or wall. • Portable temperature and humidity monitor. • Applicable to home, office, car, laboratory, etc. • Can be used with humidifiers, heaters, thermostats, and air conditioners.