How the Automatic Self-Cleaning Litter-Robot Works

The Litter-Robot knows when your cat is inside the unit and when it's time to clean up. Once your cat exits, a timer counts down, allowing litter to clump, before a Clean cycle begins. As the globe slowly rotates, the patented sifting system separates the clean litter from the clumps, and drops the waste into a carbon-filtered drawer in the base. The globe returns to the home position, leaving a clean, level bed of litter for the next use. Empty the waste drawer and add litter as needed. It's that simple!

How Does our Automatic Litter Box Work?

Litter-Robot III Open Air reset button

Elegant Engineering

The Litter-Robot's patented sifting system uses an elegant combination of time, rotation, and gravity to automatically process your cat's waste. Instead of plowing and pulling waste clumps with problem-prone rakes that clog up, the Litter-Robot's sifting system takes advantage of gravity to simplify the process. During a Clean Cycle, the Litter-Robot's globe slowly rotates and gently sifts the clumps from the clean litter. As the globe continues to rotate, the sifted clumps move toward a waste port opening in the globe and drop into a waste drawer housed in the base of the unit.

Reliable Design

The Litter-Robot's automatic Clean Cycle relies on the Cat Sensor, a weight-sensitive switch that detects when your cat enters and exits the unit. After your cat exits the Litter-Robot, a count-down timer begins, and after 3, 7, or 15 minutes (depending on the setting), the Clean Cycle will begin automatically. At any time, when the weight of your cat is detected inside the globe, the globe will not rotate, or if the globe is already rotating, it will stop. You can also stop a Clean Cycle by pressing any of the three buttons. After pausing a Clean Cycle, you can resume it by pressing the Cycle button, or abort it completely by pressing either the Empty or Reset buttons. The Cat Sensor does the work for you and keeps your cat safe. Please note: The Litter-Robot is recommended for cats that weight 5 lbs or more. 

Litter-Robot III Open Air emptying the waste drawer

Easy and Infrequent Maintenance

With the Litter-Robot, maintenance is easy and infrequent. We recommend emptying the waste drawer once every 7-10 days for a single cat household, and more often if you have multiple cats. The Litter-Robot is equipped with infrared emitters and sensors that detect the level in the waste drawer after each Clean Cycle. When the waste drawer is full, the blue light on the control panel will flash, indicating it's time to empty.

No Special Accessories Required

You can use kitchen garbage bags, large grocery bags, or Litter-Robot custom-fit, biodegradable Waste Drawer Liners to line the waste drawer. Simply slide out the drawer, gather and tie off the bag, and discard it. Install a new waste drawer liner by rolling down the edge, and pressing into the tabs of the waste drawer. Cleaning your cat's litter box is as easy as emptying the garbage!

We recommend checking the litter level each time you empty the waste drawer. Through the entryway, add a few cups of any clumping litter and spread it flat, so it meets the raised fill line inside the globe. You don't need to change out the entire bed of litter. The Litter-Robot's efficient sifting system preserves a maximal amount of clean litter each time it cycles, so you'll find it lasts much longer. Customers often report savings up to 50% on their annual litter costs. 

Interested in a Litter-Robot for your cat?


    Cat does its business



    7-minute timer allows waste to clump



    Globe rotates to sift litter



    Soiled clumps drop into waste drawer



    Globe returns to home position



    Clean litter ready for next use




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