• Temperature measurement range: -20 ℃ ~ +60 ℃. Accuracy: ±2°C. • Display updated every 3 seconds for fast and accurate data. • 3-level symbols for air conditions: wet, comfortable, dry. • 1.8-inch LCD screen, scratch-resistant. • High precision sensor for temperature, humidity, and comfort level. • ℃/℉ switch button. • Easy installation: table, wall, or hanging. • Compact and easy to carry. • Widely used indoors such as living room, greenhouse, wine cellar, etc. • Material: ABS. • Size: 4.3*4.3*1.2 cm. • Color: Black. • Includes 3 thermometers.