A remote unit includes an electronics assembly, a housing, and a fastening member. The electronics assembly includes a communications module and an image sensor, having a lens with a field of view, that captures images of a display of a meter. The housing includes a cover coupled to a base member. The base member couples to the meter and includes an aperture. The electronics assembly is retained between the base member and the cover, such that the lens aligns with the aperture. The fastening member receives a portion of the housing in a hollow section. A mechanism of the fastening member attaches to a portion of the meter, maintaining the display in the field of view. The communications module transmits image data, derived from the captured images, to a hub unit. The hub unit processes the image data, and forwards information extracted from the image data to a remote server.