WHISKER LITTER ROBOT 4. THERE'S A WHISKER APP YOU CAN DOWNLOAD TO MONITOR ALL THE ACTIVITY & USAGE OF THE LITTER BOX. DUE TO IT'S SIZE THIS ITEM IS COLLECTION ONLY! (3 BOXES IN TOTAL, 1 FOR LITTER ROBOT, 1 FOR LITTER HOPPER, 1 FOR SHIELD) .
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