1. Working: when the sensor LED lights automatically turn on the human left, the system automatically senses and turns on UV disinfection, UV will not affect life. 2. Toilet light is a smarter control of the ultraviolet light disinfection of the toilet lights at the same time, increase the aromatherapy films, make full use of circuit board heat, to further purify the environment odor. 3. Fits any toilet bowl, easy and safe to use
