Power Supply ONLY! Bi-directional counting. Software driven statistics showing tables or graphs. Creates lending conversion ratios. Displays library visitors by hour, day, week or month. EXCEL friendly data files. Dimensions 125 x 80 x 30 millimetres. Open architecture door coverage. Maximum distance up to 5 meters. Multiple door counting: 15 counters on 1 interface. Can be mounted on EAS system or on stand Power supply extra or from EAS system