EMX EMX USVD-4X Drive Thru Vehicle Sensor JMAC# EMX-USVD-4X The USVD-4X Drive Thru Vehicle Sensor uses patent pending Triangular Planar Array (TPA) technology to detect the presence of a vehicle. The USVD handles any drive thru operation such as fast food, banking, pharmacies, car washes and parking.For these... MSRP: Was: Now: $243.99 In Stock Expedited Shipping Available Need it Tomorrow? Need it Tomorrow? Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order. Add to Cart