Nature's Miracle Nature's Miracle Multi-Cat Self-Cleaning Litter Box AUTOMATICALLY SCOOPS AFTER EVERY USE: Equip with smart-detection motion sensor and removable automatic rake for a convenient cleanup 24/7 FRESHNESS WHEN USED AND STORED AS DIRECTED: Waste receptacle keeps mess and odor contained. High walls help prevent litter scatter. The paw cleaning ramp helps prevent tracking around the box EXTRA-LARGE BOX: Designed for multiple cats over 15 lb. This litter box is great for frequent travelers, families and children and multi-pet households NIGHT LIGHT: Includes night light setting to create nighttime visibility for your cats EASY SETUP: Simply refill, relax and remove! For optimal performance, get the full line of Nature's Miracle products - litter, accessories and more 3 operating modes  on, off, clean Smart-detection motion sensor High walls prevent litter scatter Easy-lift handles make cleanup quick and easy Paw cleaning ramp helps prevent tracking around the box Waste receptacles and carbon filter keeps mess and odor contained LED lights create nighttime visibility Multi-cat  over 15 lb Place the Natures Miracle Self-Cleaning Litter Box next to your old litter box. Set it to run automatically by pressing the On/off button &#039;On&#039;. If your cat is shy, do not operate the Natures Miracle Self-Cleaning Litter Box automatically for 2 to 3 days. (Press the On/off button &#039;Off.&#039;) Manually activate the Natures Miracle Self-Cleaning Litter Box 2 to 3 times a day for the first 2 to 3 days, to let your cat get used to going into the Natures Miracle Self-Cleaning Litter Box before you set it to clean automatically. Do not clean out the old litter box. (Cats prefer to use a clean box, and the Natures Miracle Self-Cleaning Litter Box will always be clean.) As soon as your cat is acclimated to the Natures Miracle Self-Cleaning Litter Box set it to clean automatically. Press the On/off button &#039;On&#039; and remove the old litter box.