One lens is with LED light, the other one is with currency detector; LED light is suitable for night getting up or reading, also can be used as a torch; There is a lodestone at the nose bridge, which provides magnet therapy effect, can prevent elders from dizziness and tinnitus anddeafness, also can help to relieve dyspnea of deficiency type, epilepsy, etc; With UV and radiation protection, protects elders' eyes from getting tired; Batteries can be replaced.