... design A complete set of guard tour checking system normally consists of FOUR parts: guard tour reader OCOM-PA1602, ... PA1602, PA1608) and computer, and for information tag register, guard tour reader setting, data- collection/clearance from the reader, ... need power supply; easy to install. ID TagFunction: Store guard's informationDescription: Plastic shell, waterproof, anti-magnetic, shockproof; ...