❥Application: Indoor and outdoor mini round aluminum alloy hygrometer thermomete, Suitable for houses, offices, workshops, schools, shopping malls, warehouses etc ❥Quality Workmanship: The outer casing is made of aluminum alloy, compact size, strong and durabl ❥Advantage: Mechanical thermometer and hygrometer, no battery require ❥Special Design: With and fine and clear dial scale, easy to rea ❥Package include: 1 * Hygrometer Thermometer