The Dehumidification box can create a dry space for the photographic equipment. And it is simpler to use than other lens dryers on sale. Its compact size allows it to be used in more scenarios (user can put it in a lens storage box or pack it into a lens backpack).Its shape is inspired by the lens, and its translucent material on the top allows user to easily observe changes in the color of the internal desiccant to assess moisture absorption. In addition,it costs less and is more environmentally friendly,Its internal desiccant particles are inexpensive and can be reused.

North China University of Technology is located in Beijing, the capital of China.it was co-constructed by the Central Government and Beijing Municipality.It is a multidisciplinary and comprehensive college. It is the first batch of “Excellent Engineer Education and Training Program 2.0”colleges and universities. it was selected for "New Engineering Research and Practice Project" colleges and universities.