This classification covers time recorders used in manufacturing factory offices and administrative departments to record and manage employee attendance and departure times. It supports various authentication methods including card type, IC card type, and fingerprint authentication type, providing attendance management functions that accommodate diverse work patterns in manufacturing environments (shift work, overtime management, holiday work). Products include those with dust-proof and durability performance designed for factory environments, as well as products equipped with integration capabilities with production management systems. Compliance with labor standards law through attendance record storage and output functions addresses labor management requirements specific to manufacturing industries. Clearly distinguished from general office equipment such as computers and printers, and operating time recording devices for manufacturing equipment.