12 in 1 Functionality: The temperature gauge allows you to measure both temperature and humidity simultaneously, making it convenient for everyday use. 2Wide Measurement Range: The temperature measurement range spans from 20C to 50C (10F to 130F), and the humidity measurement range is from 0 to 100 percent RH. It covers a wide range of environmental conditions. 3Easy to Read Design: The clear and legible dial provides easy reading, and the color coded indicator allows you to quickly assess comfort levels. A green pointer indicates a comfortable environment. 4No Battery Operation: The temperature gauge automatically senses the temperature and humidity in the air through its side ventilation slots, eliminating the need for batteries or external power sources. 5Versatile Applications: Compact and lightweight, the temperature gauge comes with a hanging rope for easy portability and suspension. It is suitable for various indoor and outdoor settings, such as baby rooms, warehouses, greenhouses, offices, balconies, and more. Item Type: TemperatureGauge Size: Approx. 65 x 38mm / 2.6 x 1.5in 1 x TemperatureGauge 1 x Lanyard (Hung on the Product)