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Acuity Controls NCM PDT 9 RJB nLight Low Voltage Ceiling Mount Sensor, Passive Dual Technology, Small Motion/Standard Range 360° Lens, Rear RJ-45 Ports, White

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Good price

$139.91 is 6% below the $149.97 it normally sells for, and the lowest we've seen in 141 days.

Now
$139.91
Normally
$149.97
Lowest in 141 days
$138.99(Sep 10)
Highest
$249.99
Evidence: Strong141 days tracked61 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 $139.91. 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

Smaller than shown

The listing shows

crossed out: Typical $163.06 −14%

Against its normal price

−6% vs $149.97

The listing shows −14%. Against its normal price it's −6%.

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 25 · 141 days · 61 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 6% below its normal price of $149.97. Acuity Controls NCM PDT 9 RJB nLight Low Voltage Ceiling Mount… price history, checked Nov 14, 2026: current price $139.91, normal (typical) price $149.97, average $160.85 over 141 days, lowest $138.99 (Sep 10, 2026), highest $249.99 (Oct 21, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $149.97
  • 5% or more below normal

How often does it drop below normal?

In the 141 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 4 days. It's below normal right now.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $134.53

    Cobalt Goods LLCSeller rating 92% of 13

11 of 16 offers
The 10 lowest of 11 offers, by price
SellerConditionPriceFBASeller rating
Cobalt Goods LLCNew$134.53No92% of 13
BstoreusaNew$139.91Yes86% of 375
NafstoreNew$149.98Yes92% of 938
Newfront USANew$159.99Yes100% of 54
Yosemite WaresNew$168.54Yes100% of 181
RCF GoodsNew$169.99Yes—
Riverbend UnionNew$189.99No77% of 107
Beacon Holdings USA (Serial Numbers Recorded)New$199.89No100% of 10
At Your StepsNew$229.99No14% of 228
Dc ControlsNew$250.00Yes38% of 8

Showing the 10 lowest of 11 offers.

Amazon lists 16 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.

More real deals in Tools & Home Improvement

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B01F9KIX22
Request
curl https://trackpin.co/api/v1/product/B01F9KIX22 \
  -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 01:29 UTC
{
  "asin": "B01F9KIX22",
  "title": "Acuity Controls NCM PDT 9 RJB nLight Low Voltage Ceiling Mount Sensor, Passive Dual Technology, Small Motion/Standard Range 360° Lens, Rear RJ-45 Ports, White",
  "image": "https://m.media-amazon.com/images/I/51cc35P7wTL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Home Improvement",
  "category_label": "Tools & Home Improvement",
  "in_stock": true,
  "price": {
    "current_cents": 13991,
    "reference_cents": 14997,
    "discount_pct": 6.71,
    "is_deal": true,
    "observed_at": 1794618225647,
    "changed_at": 1794496452183,
    "checked_at": 1794618225647,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 6.71,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $139.91 is 6% below the $149.97 it normally sells for, and the lowest we've seen in 141 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 16306,
    "claimed_pct": 14,
    "real_pct": 6.71,
    "class": "smaller",
    "observed_at": 1794618227606
  },
  "stats": {
    "min_cents": 13899,
    "max_cents": 24999,
    "avg_cents": 16085,
    "history_days": 141,
    "price_levels": 229,
    "price_changes": 61,
    "distinct_prices": 18,
    "lowest_at": 1789045611183
  },
  "history": [
    {
      "price_cents": 16999,
      "from": 1793311936745,
      "to": 1793339560661
    },
    {
      "price_cents": 17628,
      "from": 1793340529601,
      "to": 1793340529601
    },
    {
      "price_cents": 16999,
      "from": 1793341095272,
      "to": 1793654767068
    },
    {
      "price_cents": 14997,
      "from": 1793655316255,
      "to": 1794494064899
    },
    {
      "price_cents": 13991,
      "from": 1794496452183,
      "to": 1794618225647
    }
  ],
  "last_seen": 1794618227606
}
// … 224 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.