A:Application Loop detectors are used wherever vehicles have to be detected. Like monitoring and safe guarding access ways to counting vehicles. The output signal can be used for controlling door and gate drive mechanisms, operating barriers, controlling traffic light systems in car parks or activating card dispensers in car parks. A1: Parking lot entrances vehicle detection A2:Parking lot space information acquisition system A3:Electronic police traffic lights snap shot system A4:Traffic monitoring system B:Main Function B1: Industrial engineering design concept B2: Standard industrial guide installation B3:Strong anti-jamming ability and stability B4:Variety of output interface adapted to different scene B5:Variety of shape choice meet differentiation demand B6: High temperature stability B7: Environment drift automatic compensation function B8:Coil automatic fault detection function