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FMART W8 Window Cleaning Robot, 9-Stage Safety, Smart Edge Detection | 4 Ultrasonic Water Sprays, 8000Pa, Ultra-Slim 2.36 in, 2mm Edge-Cleaning Route, <60dB, AI Path Planning, App & Remote Control

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Rated4.0(1 rating)In stock

Great price

$149.79 is 21% below the $189.79 it normally sells for, and the lowest we've seen in 143 days.

Now
$149.79
Normally
$189.79
Lowest in 143 days
$149.79(Nov 12)
Highest
$223.00
Evidence: Strong143 days tracked11 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $149.79. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $158.79 −6%

Against its normal price

−21% vs $189.79

Typical $158.79 (−6%) holds up: today's price is 21% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 22 · 143 days · 11 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 21% below its normal price of $189.79. FMART W8 Window Cleaning Robot, 9-Stage Safety, Smart Edge Detection price history, checked Nov 12, 2026: current price $149.79, normal (typical) price $189.79, average $192.97 over 143 days, lowest $149.79 (Nov 12, 2026), highest $223.00 (Oct 20, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $189.79
  • 5% or more below normal

How often does it drop below normal?

In the 143 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting about 6 days. It's below normal right now.

A count of what happened, not a prediction.

More real deals in Kitchen

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0DT49742T
Request
curl https://trackpin.co/api/v1/product/B0DT49742T \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 23:54 UTC
{
  "asin": "B0DT49742T",
  "title": "FMART W8 Window Cleaning Robot, 9-Stage Safety, Smart Edge Detection | 4 Ultrasonic Water Sprays, 8000Pa, Ultra-Slim 2.36 in, 2mm Edge-Cleaning Route, <60dB, AI Path Planning, App & Remote Control",
  "image": "https://m.media-amazon.com/images/I/51vAMqVOSAL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Kitchen",
  "category_label": "Kitchen",
  "in_stock": true,
  "price": {
    "current_cents": 14979,
    "reference_cents": 18979,
    "discount_pct": 21.08,
    "is_deal": true,
    "observed_at": 1794517633154,
    "changed_at": 1794499135525,
    "checked_at": 1794517633154,
    "source": "stored"
  },
  "verdict": {
    "label": "great",
    "text": "Great price",
    "pct_vs_normal": 21.08,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Great price. $149.79 is 21% below the $189.79 it normally sells for, and the lowest we've seen in 143 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 15879,
    "claimed_pct": 6,
    "real_pct": 21.08,
    "class": "holds_up",
    "observed_at": 1794500078722
  },
  "stats": {
    "min_cents": 14979,
    "max_cents": 22300,
    "avg_cents": 19297,
    "history_days": 143,
    "price_levels": 201,
    "price_changes": 11,
    "distinct_prices": 8,
    "lowest_at": 1794499135525
  },
  "history": [
    {
      "price_cents": 21379,
      "from": 1792747485150,
      "to": 1793076501035
    },
    {
      "price_cents": 18979,
      "from": 1793091836992,
      "to": 1793092791594
    },
    {
      "price_cents": 21279,
      "from": 1793093184125,
      "to": 1794460384044
    },
    {
      "price_cents": 18979,
      "from": 1794477723037,
      "to": 1794480036811
    },
    {
      "price_cents": 14979,
      "from": 1794499135525,
      "to": 1794517633154
    }
  ],
  "last_seen": 1794517633154
}
// … 196 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.