Product Description Material: Plastic + Metal Size: 10*10*2.5 cm Color: Colored bottom, White bottom Quantity: 1 piece Package Contents: 1 * Thermo-hygrometer 2-in-1 Temperature and Humidity: This indoor/outdoor thermometer can be used in various settings, such as on walls, tables, refrigerators, doors, freezers, incubators, greenhouses, breeding boxes, cars, baby rooms, etc., or as a portable measuring tool for outdoor use. The hygrometer is suitable for almost any measurement location. Lightweight and Portable: The thermometer is only 10 cm in diameter and very lightweight, similar in size to a wristwatch, making it easy to carry anywhere. Measuring Range: This hygrometer/thermometer accurately measures temperature and humidity simultaneously, ranging from -20 to 120/-30 to 50 to accommodate all climates. Both Celsius and Fahrenheit are available, with a humidity range from 10 to 100%RH. Automatic Calibration Function: This thermometer features a precision-made thermometer coil for accurate readings. The built-in automatic induction unit enables real-time sensing, eliminating the need for calibration. Unique Dial Design: The thermometer and hygrometer feature an original needle and dial design, offering a retro and stylish look, perfect for those who appreciate nostalgic decor. The hanging loop on the back allows it to be hung on the wall or placed on a table. This thermometer and hygrometer differ from digital thermometers, making it more special.