Features: - Measures indoor humidity and temperature - Sleek design and small size - Includes 4 humidity thermometers in one package - Helps prevent colds, dry skin, asthma, and mold - Can use a humidifier to control room temperature and humidity - Small and lightweight - Easy to move at any time - Does not include magnetic or hanging devices - LCD display - Works with LR44 button batteries (included in the package) - Size: 48 * 28.6 * 15.2 mm