16 in 1 Air Quality Monitor Indoor 7" High-Precision Real-Time CO2

Name: 16 in 1 Air Quality Monitor Indoor 7" High-Precision Real-Time CO2 Monitor
Brand: YNAK
Price: 89.99 USD
Availability: InStock

Above the middle of our record.

Monitor

$89.99

Price went up recentlyRose from $75.98 to $89.99 on October 8.

at Amazon· sold by iVANKY Official

Above the middle of our record.

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$89.99 is above the middle of our record.

The middle price across the 23 days we have watched it, counting the days a limited-time deal was running, was $75.98. That is $14.01 less than today. It reached $75.98 at least once in that time, and the high was $89.99.

Today's price is $14.01 above its usual $75.98.

This describes the prices we recorded. It is not a forecast of where this one goes next.

Price at AmazonVerified Oct 10, 1:49 AM UTC

Price history

One line: the best price any tracked retailer charged, per day.

Price set by a third-party seller, not the retailer itselfLightning or limited-time deal

23 days on record · 2 price changes

sales rank — the line rises as it sells moreShaded stretches are sales, from our calendar.

Use this chart elsewhere:The chart redraws itself as we record new prices.

Prices we recorded ourselves. Usual is the price on the typical day, with limited-time deals left out unless they ran on most of the days we recorded; Average is the mean of every recorded day, deals included, so a gap between the two columns is a record holding an outlier.
Price	Now	Lowest	Highest	Usual	Average	Days recorded
New	$89.99	$75.98 on Sep 24	$89.99 on Sep 18	$75.98	$81.46	23

Sales events

Next on the calendar: Black Friday, November 27. We keep checking this price through it and report here what it did.

What our record shows

$14.01 more than the $75.98 it cost on September 24 — this price went up, not down.

Computed from our own checks at Amazon as of October 10. No line here uses a price a retailer told us about.

Where to buy

Amazon$89.99Go

Held for: 2d
Their 23-day low: $75.98
Checked: 4h ago

Prices checked at least every 12 hours. “Held for” is how long that retailer has been charging this price. A hidden price is one we cannot re-confirm recently enough to publish.

We earn a commission on purchases. It never affects our rankings.

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Under a priceNew record lowBack in stock

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Which offers

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Other versions of this model

These differ in size or count, so the prices are listed as they are and not ranked.

Amazon’s own price for each, read through their API. Verified Oct 10, 12:36 AM UTC

What it is

5 attributes, in the retailer’s own words. We record the prices; these we only pass on.

Size: 8H & White
Color: White
Weight: 0.66 pounds
Dimensions: 3.94 × 2.76 × 0.79 inches
Model: AK22A

Cheaper in Air & climate, and what changes

Things we track on the same shelf for at least 10% less than $89.99, with the attributes the retailers describe differently. Their words, not our judgement — we record prices, we do not test products.