2-Pack Mini 2’’ Indoor Outdoor Hygrometer Thermometer – Battery-Free Hanging Hygrometer for Wall, Table, Car, Greenhouse or Decorative Use, Round 2'' Diameter Review

MINI 2 IN 1 THERMOMETER HYGROMETER - Indoor outdoor thermometer can be used indoors, such as wall, table, refrigerator, door, freezer, incubator, greenhouse, breeding box, car, baby room etc. or as a measuring tool to carry outside and use outdoors. Hygrometer is suitable for almost any measuring scene. MINI SIZE 2 IN DIAMETER - The thermometer is only two inches in diameter and weighs only a quarter of an ounce. The thermometer is the same size as the pocket watch, so you can easily take the hygrometer anywhere. PERFECT MEASURING RANGE - This hygrometer/thermometer accurately measures temperature and humidity simultaneously ranges between -20 and 120°F/-30 and 50°C to accommodate all climates, both Celsius and Fahrenheit are available; humidity range from 10 to 100%RH. AUTOMATIC CALIBRATION WITHIN ONE HOUR - This weather thermometer with a precision-made thermometer coil ensures accurate readings. This hygrometer uses a built-in automatic induction unit that enables real-time sensing, so you don't need to calibrate it and does not require a battery. UNIQUE TRADITIONAL DIAL DESIGN - The thermometer took the original needle and dial design. This thermometer stands apart from a digital thermometer and sets you and others apart.