The one that buys back an hour a week · review
An open-top automatic box at $119.99 carrying the same manufacturer reference as the cheaper Mimfam machine, with fewer figures published.
What we take from it The same machine as the Mimfam box twenty dollars below it — manufacturer reference AS11, the same 32 dB, the same 515 × 610 mm (20.3 × 24 in) body to within six millimeters — sold under a brand that does not appear in its own title. It publishes less than the cheaper listing does: no waste capacity, no entry size, no sensor count. There is no published reason to pay the difference.
An open-top automatic box at $119.99, with infrared and hall sensors, a stated 32 dB, tool-free disassembly and a washable roller.
| teweoa | Mimfam | |
|---|---|---|
| Reference | AS11 | AS11 |
| Noise | 32 dB | 32 dB |
| Body | 546 × 515 × 610 mm (21.5 × 20.3 × 24 in) | 540 × 515 × 610 mm (21.3 × 20.3 × 24 in) |
| Weight | 9,798 g (345.6 oz) | 9,979 g (352 oz) |
| Price | $119.99 | $99.97 |
Same manufacturer reference, same noise figure, same depth and height, six millimeters of width between them. The teweoa title does not carry the word “teweoa” — it opens on “Self Cleaning Cat Litter Box, Automatic Litter Box for Multiple Cats”.
Two listings of one machine is ordinary in this niche. What matters is which one tells you more, and it is not this one.
Mimfam gives the waste capacity (10 L), the top entry in both dimensions (41.5 × 39 cm (16.3 × 15.4 in)) and the sensor count broken down by type (four pairs of infrared, three hall). This listing gives none of the three. It says “infrared and Hall sensors” without a count, “spacious interior” without a figure, and nothing at all about the bin.
“Note: Simply wipe the main body with a damp cloth; avoid direct water cleaning on the machine base.”
That is a real instruction and the Mimfam listing omits it. A machine built around a rotating drum has its motor and sensors in the base, and the open-top design means litter dust and urine end up near it. Knowing that the base must never be rinsed is worth having, whichever of the two boxes you buy.
It also makes the open-top argument explicitly: “Unlike side-entry models that may pose a risk of kitten entrapment.”
The listing argues the open top protects a kitten from entrapment, then describes sensors that “detect your cat’s presence” — and never publishes the weight below which they do not. The buying advice on this shelf is to check that figure first. Whisker gives 3 lb; PETLIBRO says to switch auto-clean off under 2.2 lb. Neither of the two AS11 listings gives anything.
No waste capacity, no entry dimensions, no sensor count, no minimum or maximum cat weight, no emptying interval, no litter compatibility. The 32 dB and the body dimensions are the whole specification.
Read on the day this page was built: $120 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Prices quoted in this text were read on 2026-10-06. The live price is at the top of the page.
| Price | $119.99 — the Mimfam AS11 is $99.97 |
|---|---|
| Manufacturer reference | AS11 — shared with the Mimfam box |
| Noise | 32 dB |
| Body | 546 × 515 × 610 mm (21.5 × 20.3 × 24 in), 9,798 g |
| Entry | Open top — no dimensions published |
| Safety sensors | Infrared and hall — no count published |
| Cleaning | Damp cloth only; the base must not be rinsed |
| Maintenance | Tool-free disassembly, washable roller, one-touch emptying |
| Waste capacity | Not published |
| Minimum cat weight | Not published |
| Amazon reference | B0DQW7857Q |
| EAN | 0198715188158 |
On what is published, there is no reason. The two carry the same manufacturer reference AS11, the same 32 dB, the same depth and height, and differ by six millimeters of width — and this one costs $20 more while publishing three fewer figures. The single thing it adds is a maintenance warning: wipe the body, never rinse the base. That applies to both boxes.
It is second on this shelf only to the Thereye's stated under 20 dB, and roughly the level of a quiet room. Neither AS11 listing says where it was measured or at what point in the cycle, and a drum that turns is not loud on average but can be loud briefly. What the figure does establish is that the manufacturer measured something, which is more than the Whisker and PETLIBRO listings on this page do — neither publishes a noise level at all.
The listing does not let you answer that. It argues the open top avoids the entrapment risk of side-entry doors, and describes infrared and hall sensors that stop the cycle when a cat is detected, but it never publishes the weight below which detection fails. That is the figure this shelf asks for first. For a kitten, prefer a machine that states it — Whisker publishes 3 lb, PETLIBRO 2.2 lb.
Details checked on October 6, 2026.
Nobody, while the identically referenced Mimfam listing is in stock twenty dollars lower
Amazon reports what buyers took in the month before this page was last checked: at least 1,000.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for pet devices and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
10 L waste · 41.5 × 39 cm (16.3 × 15.4 in) entry · 4 pairs IR + 3 hall sensors · 32 dB
A $99.97 open-top automatic box with a 10 L waste bin, a large top entry and seven safety sensors, that publishes no minimum cat weight.
Best for: A first automatic box for an adult cat, where $99 is the deciding figure
AI camera · 11 L sealed bin · 10 cats · 97% odor claim · subscription
A camera-equipped automatic box that analyzes waste, recognizes up to ten cats and seals 11 L, with the analysis and recording behind a subscription.
Best for: A multi-cat household that wants health data from the box and accepts a recurring fee
Up to 2 cats · min 3 lb · works on carpet · 617 × 523 × 701 mm (24.3 × 20.6 × 27.6 in)
A compact Litter-Robot for one or two cats, with weight-based cat identification in the app and manufacturer clearance to stand on carpet.
Best for: One or two cats in a small bathroom, or any room with carpet
