Our Pets SmartScoop Automatic Self-Cleaning Litter Box, Gray SmartScoop Automatic Litter Box electronically scoops for you and eliminates litter box odor^After cat leaves the litter box, internal timer counts down for approximately 15 minutes before scooping to allow for clumping process to take place^Over 4 times quieter than another leading brand with no household disruption for cat or consumer^Large usable litter area, perfect for a single or multi-cat home (litter area is 14" w x 16" d)^Litter catching mat measures 14" w x 12" d x 1" h