SKU: 78878762430

HKM-392147 Automatic Self-Cleaning Smart Cat Litter Box with 66L Capacity and APP Control

Sale price$199.35 Regular price$221.50
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Description

HKM-392147 Automatic Self-Cleaning Smart Cat Litter Box with 66L Capacity and APP ControlHKM 392147 Smart Self Cleaning Litter Box HKM 392147 Automatic Self Cleaning Smart Cat Litter Box Intelligent hygiene, spacious comfort, and effortless maintenance redefining the modern litter experience. 66L XL Capacity 26. 1 in 21. 3 in 20. 9 in interior volume (66 liters) gives larger breeds ample room to turn, dig, and relax. Ideal for cats up to 22 lb (10 kg). Auto Clean Cycle Automatic sifting after each use removes waste within minutes.

HKM-392147 | Smart Self-Cleaning Litter Box

HKM-392147 Automatic Self-Cleaning Smart Cat Litter Box

Intelligent hygiene, spacious comfort, and effortless maintenance — redefining the modern litter experience.

66L XL Capacity

26.1 in × 21.3 in × 20.9 in interior volume (66 liters) gives larger breeds ample room to turn, dig, and relax. Ideal for cats up to 22 lb (10 kg).

Auto-Clean Cycle

Automatic sifting after each use removes waste within minutes. Advanced sensors detect cat presence and delay cleaning for safety.

Dual Control

Physical button panel plus app control via 2.4G/5G WiFi. Schedule cleaning, check status, and receive notifications from anywhere.

Sealed Odor Control

Fully enclosed round design with carbon-enhanced filter traps odors effectively. Eco-friendly PP & PS materials are BPA-free and gentle on paws.

Technical Specifications
Total Volume 66 L (17.4 gal) — spacious interior
Dimensions 26.1 × 21.3 × 20.9 in (66.3 × 54.1 × 53.1 cm)
Cat Weight Range 3.3 – 22 lb (1.5 – 10 kg)
Shape & Privacy Round fully enclosed design
Sensor Technology Infrared weight & motion detection
Connectivity 2.4GHz & 5GHz WiFi dual-band
Power Adapter US / UK / EU / AU / JP compatible
Materials High-grade PP & PS, BPA-free
Intelligent Features Engineered for Everyday Excellence

Adaptive Self-Cleaning Algorithm. The HKM-392147 employs a weight-sensitive platform combined with infrared motion detection. After your cat exits, a countdown initiates — typically 90 seconds — ensuring complete safety before the automatic sifting cycle begins. Waste is separated into a sealed lower compartment, reducing odor leakage by up to 85% compared to open trays.

Whisper-Quiet Operation. The brushless motor operates at less than 45 dB during cleaning, quieter than a household conversation. This low-noise design helps timid or anxious cats adapt faster. The round drum rotates smoothly on precision bearings, eliminating sudden jerks that might startle your pet.

Multi-Cat & Large Breed Ready. With a usable interior floor area of approximately 460 in² (0.30 m²), even Maine Coons or Ragdolls weighing up to 22 lb find comfortable positioning. The weight sensor automatically distinguishes between different cats (when weights differ by >1.1 lb / 0.5 kg), logging individual usage in the companion app.

App Ecosystem & Smart Home Integration. Connect via 2.4G or 5G WiFi networks. The HKM Home app (iOS & Android) displays real-time litter box status, 7-day usage history, and waste drawer fullness. Push notifications alert you when the waste container reaches 80% capacity. Compatible with voice assistants for basic status checks.

Designed Around Feline Behavior

The distinctive round architecture isn't just aesthetic — it mimics the enclosed dens cats instinctively seek. The entryway sits at a comfortable 7.9 in (20 cm) height, easy for seniors or kittens above 3.3 lb. Inside, the texture of the PP surface provides secure footing without abrasive ridges that might deter sensitive paws. The carbon-infused filter module snaps magnetically into the rear ventilation port, replaceable every 30 days for peak performance.

Easy Deep Cleaning. The entire globe separates from the base with a quarter-turn release. All plastic components are rinseable with mild soap and water. The waste drawer includes a smooth, non-stick coating that resists clumping litter adhesion, reducing scraping during monthly deep cleans.

Frequently Asked Questions
What litter types are recommended? +
Clumping clay or silica gel litter works best. The sifting grate is optimized for particles between 0.08–0.2 in (2–5 mm). Avoid non-clumping, pine, or crystal litters with oversized granules, as they may not sift efficiently.
How often must the waste drawer be emptied? +
For one average-sized cat, approximately every 5–7 days. The app provides percentage-based alerts. Drawer capacity is 3.3 gal (12.5 L), accommodating multiple days of waste for multi-cat households.
Is it safe for kittens under 3.3 lb? +
The weight sensor requires a minimum of 3.3 lb (1.5 kg) to reliably detect presence. For kittens below this threshold, we recommend manual mode until they reach the safe weight.
Does it work during a WiFi outage? +
Yes. The onboard button panel retains full cleaning functionality offline. Scheduled cycles stored in local memory continue to run. App features resume automatically when connectivity is restored.
Why the HKM-392147 Stands Apart

Genuine 66L Interior

Many competitors advertise total exterior dimensions; we state usable internal volume. Your cat enjoys true freedom of movement, reducing litter box avoidance behaviors.

Dual-Band WiFi Stability

Unlike 2.4G-only units, simultaneous dual-band support ensures faster pairing and more reliable remote control, even in congested smart home environments.

Purchase with Confidence
Free Shipping
On all orders, every time. No minimums.
180-Day Protection
Extended purchase protection against defects.
30-Day Money Back
Hassle-free returns if not satisfied.
24-Month Warranty
Comprehensive coverage for peace of mind.

HKM-392147 Smart Litter Box — Thoughtful engineering, healthier home.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78878762430

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4.5 ★★★★★
Based on 1060 reviews
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Gary Hugo
Alexandria, US
★★★★★ 4
Definitely not indestructable
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
I have a 1-year-old toy fox terrier (Rocky, pictured). He has been chewing on this toy for seven months now; it is one of his favorites. He has been unable to seriously damage the "ocean" portion of this toy, but as you can see from the provided image, the sea serpent has not faired that well. It is missing its snout and smaller portions of the humps. My guess is that the advertiser images showing much larger dogs with "like new" versions of the toy are just that...NEW AND UNCHEWED. I have not had to clean up bits of this toy from my floor, so I assume Rocky has been swallowing them. My hope is that the yellow material of the serpent is not chemically dangerous when exposed to digestive fluids. Rocky easily destroys plush toys in a matter of days if not hours and, consumed pieces of a small microfiber blanket that he liked to toss around and play tug-of-war with (past tense as he destroyed it and has since been trashed after I began finding feces-stained undigested pieces of it lying around). Since this toy has survived seven months and has remained recognizable, I have to agree it is durable. Just beware, if my small toy fox terrier can damage the toy as pictured, expect your large breed chewer to do similar or worse damage. Also, the toy is very heavy! When Rocky drops it down a flight of stairs, it makes a MAJOR thud at the bottom, and sometimes makes me wonder if it might crack the large tile at the bottom. I cautiously recommend the product. Note the yellow frisbee in Rocky's picture. It is only a few months old and surprisingly has not suffered any chew damage despite substantial abuse. It appears to bend in the wind like a proverbial reed, evading damage by yielding to pressure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2024
E
Verified Purchase
Elaina rice
Fort Morgan, US
★★★★★ 5
Dog loves it! For tough chewers for sure
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Dog absolutely loves it, he’s super rough on all of his toys they usually last about 10 minutes bore they are torn to shreds. It’s lasting through his chewing so I’m happy. It’s also super cute.
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Reviewed in the United States on April 9, 2026
M
Verified Purchase
miriana
Carnegie, US
★★★★★ 5
Loch Yes
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Cute toy, dog really likes it. I had my doubts when I pulled it out, and honestly so did she, but the soft part bounces, so that got her going. We've had it for about a week. My dog is ~70 lbs and a moderate chewer, and this monster still gets regular play and is holding up well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
Z
Verified Purchase
zee
Lexington, US
★★★★★ 5
Great toys for aggressive chewers
Size: Medium/Large, Color: Turkey Day Drumstick - Large
These are great toys they last a while they are destroyed after a while but both dogs are aggressive chewers but they last about a year and a half. And they are go to toys they have one that is a shark mouth and they love it I have bought 4. (two of them the pups lost ).
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Reviewed in the United States on December 20, 2025
A
Verified Purchase
Anjelica
Bozeman, US
★★★★★ 4
Durable and Fun, Just Gets a Bit Rough
Size: Medium/Large, Color: Chopper - Large
This is a really good toy overall, especially if you have dogs that love to chew. My dogs were immediately into it—they play with it nonstop, toss it around, and stay entertained for a while, which I love. It definitely holds up better than most toys we’ve tried. The only reason I’m giving it 4 stars instead of 5 is because over time it does start to fray a bit and gets a little rough, especially with heavy chewing. It’s not completely indestructible, but it still lasts longer than a lot of other toys. Overall, still a great buy and I would recommend it if your dogs need something tough but fun!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026

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