Parking (fence control) or low speed(50KM below)。 Own inductance coil(or others trigger )or utilized video object detection。 Car plate Register or data comparison。 Example： Parking lot tolling(integration with ticket management system)。 Privacy residential district/office building parking lot(data register comparison)。 Human/vehicle restrain district(data register comparison) Camera Installation location selection： Indoor、outdoor、entrance hallway(avoid between light and shade position)。 Inductance coil installation restrain。 Erection door header installation and fence shade。 Beside fence installation and lamplight throw angle 。 Road turn a corner、curve 。 Application Method： Integration tolling ticket system。 Stand-alone fence gate ( digital signal output)。