Self cleaning litter igloo .automatic cleaning of cat litter.no special litter required like most self cleaning boxes.9 L large volume ,convenient for cats to use.quiet operation,app intelligent.large opening hole ,easy in easy out.intelligent sensing &cat entry ,compartment stops running to protect the cat .easy cleaning .quickly remove the barrel for easy water washing.can be used manually without the app.comes as shown.used but in great condition and thoroughly cleaned.150.00.