Bestbuy offers Petkit - PuraMax Self-Cleaning Wifi Enabled Automatic Cat Litter Box for Multiple Cats with Litter Mat - White for $399.99 (orig. $569.99) with free shipping.

Product Description:
The self-cleaning cat litter box is connected via 2.4GHz Wi-Fi, which allows you to control the cat litter box at anytime and anywhere via the PETKIT app. The xSecure system consists of an infrared sensor, weight sensors, remote alerts, an accident protection system, and smart detections so that you never have to worry about your cat with PURAMAX. In addition, PURAMAX automatically pauses when your cat approaches or detects a weight change. Applicable weight range for cats: 3.3 lbs to 17.6 lbs, do not use for young pets under 6 months. KEEP TRACK OF YOUR CAT’S HEALTH: The smart sensors allow you to track your cat’s weight, times of use, duration of use, and litter capacity. So you can keep track of your cat's health at all times. AUTO-CLEANING: 3 alternative cleaning modes: auto-cleaning mode, scheduled-cleaning mode, and manual-cleaning mode. EXTRA-LARGE CAPACITY: 76L cylinder allows up to 15 days free of scooping for one cat​. NO MORE STICKY POOPS: With the specially made high performance non-woven fabric litter pad, PURAMAX prevents soft stools from sticking to the cat litter box and keeps your cat's toilet clean at all times. EASY MAINTAINANCE AND QUICK CLEANING: The modular design, detachable cylinder, high performance non-woven fabric litter pad and filter allow easy cleaning and maintenance.

• High Capacity Waste Container
  up to 15 days of free scooping with one cat
• Friendly to Multi-pets Families
  76L large space is enough for cats up to 18 lbs
• Absolutely Safe Design
  spiral structure; multiple high-precision sensors
• Real-time Cat Health Tracking
  Get a better idea of your cat's health
• Detachable Deodorizer
  air purifier keeps the air in your home fresh and clean