A gutter filtering device constructed to be mounted on top of a gutter opening and to extend from the front to the rear, and to attach to the front lip of the gutter. The gun support includes a support rod having a proximal end and a distal end. One or more ports are formed in the top and side of the housing. Environmental data associated with the operation of the contact center is also stored. Embodiments include a camera head swing motion drive system for selectively positioning the camera head along the camera head range of motion path. Chip information for operations of the nonvolatile memory device is stored in the CAM cells which are coupled to a selected word line, whereas the remaining CAM cells of the CAM block are in an erased state.