The 4525-5000 is designed to scan either high profile or low profile vehicles, not both.2ea) 2500 cu in plastic detectors w/dual PMT in 1/4" lead lined NEMA 4 steel enclosures with low density aluminum front door. 2ea) infrared sensors for presence 2ea) infrared sensors for speed 1ea) 4525-7000 Software 100ft) detector to detector cable 250ft) Ethernet CAT5 cable Note: Installation supervision is required, but is not included in this quoted price. Member is to make arrangements directly with Ludlum for this service. System installation supervision includes final termination of all wiring, system turn-on, diagnosis, testing, set-up and operator training.