Mini Hygrometer Indoor Infant Bedroom Hygrometer With Magnetic Absorption Features: Electronic and hygrometer Cold, warm, dry and wet, comfortable, accurate measurement, facial expression reminder, temperature and humidity control . ELECT can be placed at your heart, can be pasted, can be pasted, and can be absorbed. The built-in magnet on the back can be absorbed. It is equipped with special double-sided adhesive tape for easy sticking . Small and delicate can give you a little surprise. The design is and compact, and the size is small and delicate to meet your preference for details . Accurately measure temperature and humidity, for family members' health at a glance . It is applicable to all kinds of scenes to meet the needs, regardless of the occasion, and the space can be arbitrarily matched to meet all the needs of daily scenes . We use imported technology to build high-precision temperature and humidity sensors, and strictly control with higher standards . Product SIZE:4.5*4.5*1.3CM / 1.77*1.77*0.51INCH Package Content: 1X Room Notes: Due to the different effect between the photo and the real, the actual color of the may be slightly different from the color shown in the picture. thank you Due to manual measurement, please allow slight measurement deviation.