LitterMaid LM 600 Self-Cleaning Litterbox Self-cleaning litterbox scoops litter manually Rakes clumped litter into detachable storage tray Automatically turns on 10 minutes after cat leaves Storage tray lines with disposable waste receptacles for easy cleaning Measures 24 by 16.8 by 8.8 inches (L x W x H); runs on household current or 8 D batteries