Core technical advantages: First, efficient sterilization and disinfection, adopting 265nm deep ultraviolet LED disinfection technology, which can quickly kill microorganisms such as bacteria, viruses and fungi in the air, with a sterilization rate of 99.9%; Second, 24-hour automatic operation, the system can operate automatically 24 hours a day without manual operation; Third, human body induction protection, equipped with a human body sensing device, which automatically stops disinfection when someone enters the car and automatically resumes disinfection when no one is there, avoiding ultraviolet damage to the human body; Fourth, safe and environmentally friendly, adopting physical disinfection method, no chemical residue, harmless to human body and environment; Fifth, convenient installation, adopting modular design, which can be used for new elevator matching and old elevator transformation, with an installation cycle of no more than 1 hour.