PetSafe ScoopFree Second Generation Self-Cleaning Cat Litter Box Gray 27.6" x 19.1" x 6"

It is the only self-cleaning litter box that uses disposable litter trays to provide hands-off convenience and unbeatable odor control. Sensors automatically reset the 20-minute rake timer if your cat re-enters the litter box. Rigorously tested in PetSafe's lab for more than 100,000 cycles without failure or jamming. Privacy hood and anti-tracking carpet sold separately. Recommended litter tray replacements: At least once every 20-30 days for one cat, every 10-15 days for 2 cats, every 7-10 days for 3 cats. Product Specs: Includes UL-rated 120V 60Hz adaptor. Operates on a standard wall outlet. For indoor use only. Extra-long 10 foot power cord. Self-cleaning litter box measures 19? wide by 27-3/8? long by 7? high. Height is 16-3/4? with optional hood installed. Litter tray measures 14-1/2? wide by 22? long by 2-1/2? high. Never add litter to your ScoopFree self-cleaning litter box or use another brand or type of litter. The Premium Blue crystal litter in the disposable litter tray is f