I believe many people are familiar with the ultraviolet lamp. It can not only detect banknotes, but also disinfect them. Purple light can not only inspect banknotes, but also widely used in jewelry identification. http://www.langladaled.com/news/langlada-the-purple-light-lamp-can-not-only-inspect-the-banknotes-but-also-can-inspect-jade

Langlada: LED Rectangular Downlight project flood lights in different application http://www.langladaled.com/news/langlada-led-rectangular-downlight-project-flood-lights-in-different-application

The wall lamp can also be more intelligent and fun. We Langlada develop a new series Rotary Bedroom Wall Lamps http://www.langladaled.com/news/langlada-the-wall-lamp-can-also-be-more-intelligent-and-fun