The litter box’s monitoring features, which are sent via Bluetooth to the IntelligentPetLink smartphone app, report: elimination behavior, frequency and duration. Litter box maintenance (i.e. bag changes). When the litter box requires attention. Inventory control management. Alerts when other animals, wearing the unique SmartLink Tag, are near. The SmartScoop unit comes with four Universal No-Touch Waste Bags and a Universal Carbon Filter.