Description Greenhouse Thermometer: This garden hygrometer thermometer accurately measures temperature and humidity in the range of -40-60C and the humidity range is 0-100% RH to maintain home or garden garden in good condition.Greenhouse Accessories: The 10cm wireless disc thermometer can be applied to indoor decorations or tools, such as walls, tables, refrigerators, doors , incubators, greenhouses, cars, baby rooms, etc. Put it outside as a measuring tool. The hygrometer is suitable for almost all measurement scenarios. The plastic frame and cover wont rust like metal. Wall hole design: The wall hole design makes this greenhouse thermometer suitable for more walls or hooks, or it is also good to place it directly on the table. Quick update: the hygrometer and thermometer are updated every 10 seconds to inform you of the latest changes in temperature and humidity readings. High Quality: The aluminum alloy dial is easy to read. The thermometer hygrometer watchs glass lens, black hands, white dial and transparent scale make it easy to read.