Can this be used to measure air from a floor air vent in an A/C system

If you mean the air flow (speed), then the answer is YES. If you mean the temperature of the air, then the answer is NO (because it is not accurate when it comes to temperature)

what is the purpose of the USB cord?

HOLDPEAK told me that the USB port on the back of the HP-866B-APP is only to provide power to the unit if the batteries are dead or missing, but not for data transfer.

does this have a screw on the bottom to attach to the tripod

Dear kcarter,Hello.I am Cindy from Holdpeak sales support.Yes!Our 866B anemometer comes with a carrying strap which screws into the bottom or you could mount it in a tripod.I hope my answer will be helpful!

I received mine today. Is there any way to adjust the contrast of the display? I can't hardly read mine.

No contrast adjustment that I know of but there is a back light. But there is a back light that might help. Check your battery. It is a bit sensitive to your viewing angle so hold it directly in line with your eyes. But I repeat, check your battery.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Bluetooth Anemometer

Product ID: 35206631

Details

Brand
H HOLDPEAK
Item Weight
7.04 ounces
Item dimensions L x W x H
6.5 x 3.35 x
Material
Acrylonitrile
Number of Items
1

📊Multi-unit & max/min/avg data modes

📶Bluetooth remote monitoring

🌬️8-vane ultra-sensitive wind detection

540 Br

Duties & taxes included

In stock

Sold byAmazon BelarusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Belarus.

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Description

🌬️ Stay ahead of the breeze — measure like a pro, anywhere, anytime!

MULTI SCENARIO READY - Perfect for HVAC diagnostics, sailing, golf, drone flying, and more—empowering your outdoor and professional projects.
PRECISION ENGINEERING - 8 vanes and dual temperature sensors deliver highly accurate wind speed, chill, and temperature readings.
HANDS FREE SECURE USE - Tripod mount and hand strap ensure stability and safety during dynamic outdoor activities.
VERSATILE MEASUREMENT UNITS - Switch effortlessly between m/s, km/h, ft/min, knots, mph, ℃, and ℉ to suit any professional need.
SEAMLESS BLUETOOTH CONNECTIVITY - Monitor real-time and historical wind data remotely via intuitive app integration.

The HoldPeak 866B-APP is a compact, Bluetooth-enabled handheld anemometer designed for professionals and enthusiasts alike. Featuring 8 precision vanes and dual temperature sensors, it delivers accurate wind speed, chill, and temperature measurements with multi-unit support. Its app connectivity allows remote monitoring and historical data tracking, while the tripod hole and hand strap provide hands-free convenience and security. Ideal for HVAC, outdoor sports, and environmental monitoring, this device combines rugged ABS construction with advanced functionality to keep you informed and in control.

Specifications

ASIN	B01LWU5MM0
Best Sellers Rank	#10,289 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2 in Wind Speed Gauges
Brand Name	H HOLDPEAK
Customer Reviews	4.2 4.2 out of 5 stars (222)
Included Components	anemometer, screwdriver, battery, manual, lanyard, protective case
Item Dimensions	6.5 x 3.35 x 1.5 inches
Item Weight	7.04 ounces
Manufacturer	H HOLDPEAK
Material Type	Acrylonitrile Butadiene Styrene (ABS)
Model	JPHP-866B-APP
Number of Items	1
Part Number	JPHP-866B-APP
Unit Count	1 Count
Warranty Description	1 year

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540 Br

Duties & taxes included

In stock

Sold byAmazon BelarusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Belarus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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