Feature:1. High-Accuracy Dual Sensors: Combines high-performance sensors, a refresh rate of about 30s, providing accurate temperature readings within 0.1°C and humidity levels within 1%RH, ensuring reliable monitoring for you.2. Discover Optimal Comfort: This portable temperature humidity meter with a user-friendly special facial expression display quickly reveals humidity levels, helping you adjust humidifiers and dehumidifiers for maximum comfort.3. Clear Display: The easy-to-read 2.5" LCD screen features a clear backlit display, making it effortless to check conditions even in dimly lit rooms. The sleek design seamlessly integrates into any setting or decoration of your home.4. Reliable Design: Made with a high-quality ABS shell, it can be used for the long term. Powered by easily replaceable button batteries, enjoy more than 8 months of continuous use without the need for frequent battery changes.5. Wide Use: Find the perfect place with multiple installation options: stand, or adhesive mount. Our hydrometer thermometer indoors is great for various spaces, such as living rooms, bedrooms, kitchens, offices, greenhouses, etc.Specification:Material: ABSColor: WhiteBattery: Button battery (220mAh)Resolution: 0.1°C/1%RHHumidity Measurement Scope: 10%~99%Temperature Measurement Scope: -9.9 60Item Size: 60 * 53 * 10mm/2.36 * 2.09 * 0.04inItem Weight: 30g/1.06ozPackage Size: 6 * 5.5 * 3cm/2.36 * 2.17 * 1.18inPackage Weight: 60g/2.12ozPackage List:1*Thermo-Hygrometer1*Battery1*Self-Adhesive Film1*User Manual