Feature:1. High-Accuracy Dual Sensors: Combines accuracy thermistor and capacitive humidity sensors, providing accurate temperature readings within ±2°C and humidity levels within ±5% 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 LCD screen features a clear, bright 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 (200mAh)Working Voltage: 3VHumidity Measurement Scope: 10%~99% (±5%RH)Temperature Measurement Scope: -9.9 60 (±2)Item Size: 5 * 4.8 * 1.3cm/1.97 * 1.89 * 0.51inItem Weight: 26g/0.92ozPackage Size: 5 * 5 * 2cm/1.97 * 1.97 * 0.79inPackage Weight: 30g/1.06ozPackage List:1*Thermo-Hygrometer1*Battery1*Self-Adhesive Film1*User Manual