Multiple Installation Methods: This indoor hygrometer features tabletop and wall-mount designs, allowing placement anywhere – perfect for kitchens, gardens, greenhouses, basements, nurseries, guitar rooms, offices, etc. Comfort Indicator: The temperature and humidity monitor changes the child's face, providing accurate real-time data to help adjust settings for humidifiers, dehumidifiers, and humidity controllers. Ideal for monitoring family living conditions and health, preventing colds, dry skin, asthma, allergies, and mold. High Reliability and Accuracy: Fast response provides updated and precise readings; wide measurement range (-4.0°F to 158.0°F / -20.0°C to 70.0°C). Accuracy is ±1°C. The humidity sensor measures 10% to 95% humidity with ±3% accuracy. The clock can be set to 12 or 24-hour mode and comes with an AAA battery. Easy to Read and Use: No complicated function buttons; the indoor thermometer displays temperature in Fahrenheit or Celsius. Bright white front panel with a clear LCD display, easy to read even from a distance. Color: White Material: ABS Package Contents: 1 * Thermometer and Hygrometer 1 * English Manual Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.