SMALL AND EXQUISITE This hygrometer thermometer (4.3 x 4.3 x 1.3 cm, weighs only 20g) is compact, durable, and portable, designed to save space and be easily carried. The thermometer features a hard, scratch-resistant LCD screen and is equipped with a highly accurate sensor that clearly displays current temperature, humidity, and comfort levels. TEMPERATURE AND HUMIDITY MEASUREMENT Temperature measurement range: -50°C to 70°C. Temperature accuracy: ±1°C. Readings are updated every 10 seconds. Humidity measurement range: 10% RH to 99% RH. Humidity accuracy: ±5% RH. INTELLIGENT DIGITAL THERMOMETER HYGROMETER Features a clear LCD display. When humidity is between 40% and 70%, a smiling face icon appears. When humidity is below 40% or above 70%, an unhappy face icon is displayed, allowing you to quickly assess indoor air comfort and maintain a healthy environment. EASY TO INSTALL This mini thermometer hygrometer is ready to use straight out of the box with no complex buttons. It can be placed on a tabletop, attached to a wall using included stickers, or hung up for real-time monitoring of temperature and humidity. WIDE APPLICATION Suitable for use in homes, offices, cars, schools, hotels, laboratories, kindergartens, aquaculture facilities, instrument workshops, libraries, factories, and air-conditioned environments. Package dimensions: 12.8 x 11.2 x 1.7 cm; 50 grams Date First Listed on .co.uk: February 6, 2023 Manufacturer: Lonnalee Country of Origin: China Availability of spare parts: Information not available