PerkinElmer B0510301 Receiver Comp LP8/1 Detector w/PCB Assembly B050-9676-B. At the time of this listing we have three of these available, two of the boxes have descriptive label and part number label and one just has the part number label. The group photos show the labels on the top of the boxes, purchaser will receive one of these shown in group photo. Wiring harness may or may not be terminated into receiver/detector.