Thermometer, hygrometer, round dial with needle, tester, white inside and out

This round dial thermometer-hygrometer is designed to measure indoor and outdoor temperature and humidity. Thanks to its practical design and hanging hole, it can be easily installed in various environments such as homes, schools, offices, hotels, factories, and warehouses. Technical specifications: Temperature measurement range: -30°C to 50°C; Humidity measurement range: 20% to 100% relative humidity; Dimensions: Approximately 7.5 cm in diameter; Permissible measurement error: +/- 1 to 3 cm; Additional information: Package contents: 1 x thermometer-hygrometer; Note: Slight color differences may exist between the photo and the actual product due to shooting and display settings.