Product Name: 10CM temperature and humidity meter Product function: The product is used to measure the temperature and relative humidity changes of the environment, so that you can keep abreast of changes in the temperature and humidity of the environment, so as to adjust accordingly and improve the quality of life. Product materials: aluminum alloy outer ring oxidized into silver (or gold) color, plastic bottom case, aluminum dial printing, metal pointer, glass lens, copper hanging ring fittings Measuring range: temperature 0 ~ 100% RH, temperature -15 ~ 50C Measurement accuracy: +/-5%RH (40-70%), +/-2C Product size: diameter 100* thickness 25mm Product weight: 0.1KG Product packaging: white box