INTELLIGENT DIGITAL THERMOMETER HYGROMETER Flintronic mini digital temperature and humidity meter is small and exquisite, measuring 4.3*4.3*1.3cm and weighing only 21g. It features two types of icons. When the humidity is between 40% and 70%, it displays a smiling face. When the humidity is below 40% or above 70%, it shows an unhappy face, allowing you to monitor indoor conditions at a glance. TEMPERATURE MEASUREMENT RANGE Temperature measurement range: -10°C to 70°C. Temperature measurement accuracy: ±1°C. Measurements are updated every 10 seconds. HUMIDITY MEASUREMENT ACCURACY Indoor and outdoor humidity measurement range: 10% RH to 99% RH. Humidity measurement accuracy: ±5% RH. SMALL AND EXQUISITE DESIGN Compact size of 4.3*4.3*1.3cm and lightweight at 21 grams. This hygrometer thermometer is small enough to fit in the palm of your hand, making it easy to carry and space-saving. Powered by a CR2032 battery (included). ICON INDICATORS FOR COMFORT LEVELS Level icons indicate comfortable and uncomfortable conditions. Helps in adjusting settings for humidifiers, dehumidifiers, and climate control systems. Ideal for monitoring living environments to support health and comfort. LONG-LASTING BATTERY Powered by a widely available CR2032 battery, providing 18 to 24 months of operation. Battery is easily replaceable when needed. VERSATILE USAGE Compact size with a clear display makes it suitable for use in various locations such as baby rooms, greenhouses, basements, wine cellars, and more. TEMPERATURE AND HUMIDITY RANGE Temperature range: -10°C to 70°C Humidity range: 10% to 99% RH This digital thermometer hygrometer is suitable for use in homes, offices, vehicles, schools, hotels, laboratories, kindergartens, aquaculture facilities, workshops, libraries, factories, and air-conditioned environments.