A low product indicator comprising an upright portion capable of being attached to a pusher or paddle on a conventional merchandiser and having indicia relating to at least one of: a store the conventional merchandiser is displayed in; a product the merchandiser is intended to be stocked with; a product category encompassing the general type of product the merchandiser is intended to be stocked with; and/or advertising. In one form, a product display merchandiser is disclosed comprising a tray, a spring biased pusher slidable within the tray, and a visual indicator comprising at least one light activated by a switch, the switch configured to be actuated when the pusher is within a predetermined portion of the tray.