Ulisem High Precision Digital Indoor Thermometer Hygrometer, Temperature and Humidity Monitor

Digital Thermometer and Hygrometer: This small digital hygrometer features two types of icons. If the humidity is between 40% and 70%, it displays a smiling face. If the humidity is below 40% or above 70%, it displays a sad face. This allows you to see at a glance whether your home is healthy and comfortable. Temperature measurement range: -10°C to 70°C. Measurement accuracy: ±2°C. Measurement conditions are updated every 10 seconds. Easy to read: The larger font displays the current temperature and humidity. Even from a distance, you can read the measured value. Smiling or sad expressions can help you effectively reduce stress. Small and portable: This thermometer and hygrometer (4.3 x 4.2 x 1.2 cm, weighing only 21 g) is compact, robust, and portable, ideal for easy transport. Powered by a CR2032 battery (battery included). The battery lasts up to 12 months. Wide application: The thermometer and hygrometer can be used at home, in the office, in the car, at school, in hotels, in laboratories, kindergartens, aquaculture facilities, instrument workshops, libraries, schools, factories, and air-conditioned locations. Specifications: Dimensions: 42 x 42 x 13 mm. Material: ABS. Color: White. Temperature range: -50°C to 70°C. Temperature accuracy: ±1°C (1.8°F). Temperature resolution: ±0.1°C (0.2°F). Humidity range: 10% to 90% RH. Humidity accuracy: ±5%. Humidity resolution: 1%. Battery: CR2032 button cell battery (not included).