Demographic and transaction data are presented in a report usable for marketing-related purposes and other applications using a camera apparatus to capture customer image data at a point-of-sale location and sends the image data to a customer image database where the image data is stored. The system includes a first paddle card coupled to a first end of the cable and a first light emitting diode coupled to the first paddle card. The device allows gases to vent the filtration device through the outlet port. The power supply circuit supplies voltage for inverting the polarization vector.