1,Easy operation, no computer management, 2,manager card, guest card can be deleted, modified by the master card. 3, 4 ranks Applications: widely applicable to the swimming baths, sauna field, golf courses, the more gym Wardrobe, institutions, Gym ,enterprises, schools, hotels, supermarkets, such as filing cabinets or lockers. Dimension out: 120x40x20mm (LxWxH) inside: 120x68x22mm (LxWxH) Power ...