Has anyone had this long enough to know if the battery will last at least one year?

I've had mine for over a year and it's still going... I've had other battery powered products from a seller and the batteries lasted only a few weeks... It's because the batteries have been installed in that device since the assembly line...If by chance they don't put the little plastic strip between the negative side and the device, the batteries will go bad...

Any way to calibrate temperature?

Calibrate means that you adjust your measuring tool (e.g. thermometer, hygrometer, speedometer, etc.) to give a known value when it's measuring (detecting) that value; you usually do this by adjusting a screw or other mechanism that results in the unit showing a 'reading', or measurement, of that known value on its display or output. This unit does NOT have any calibration adjustment.

What do the low and high represent...is it for the last 24 hours?

As several others have said, it's the HIGH & LOW since it was reset. To reset, HOLD the button marked F/C until it resets. Each time that button is pressed, the displayed temperature changes between Fahrenheit and Celsius.

In China. I bought 3 of them, but don't find them useful. The setting for humid, dry, comfort is inaccurate for a relativity level reading in a home environment. At least in the Midwest region. They say 49% is dry when in fact it's too much for a home to carry, at least in the winter colder temps.

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TempPro TempAir Digital Hygrometer Indoor Thermometer Humidity Monitor

Product ID: 531376419

Details

Age Range (Description)
Adult
Brand
TempPro
Color
White
Display Type
Digital
Included Components
1x Thermometer
Model Name
TempAir CORE

💧±2-3% RH precision

⏱️10-sec refresh rate

🌡️±1°F accuracy

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Description

🌿 Stay ahead of your air game with TempPro TempAir — because comfort is the new luxury.

REAL TIME UPDATES - Data refreshes every 10 seconds, keeping you instantly informed of environmental changes.
PRECISION YOU CAN TRUST - High accuracy readings with ±1°F temperature and ±2-3% relative humidity for reliable monitoring.
INSTANT AIR WELLNESS CHECK - Humidity level icons (DRY/COMFORT/WET) for quick, at-a-glance home environment status.
VERSATILE READY ANYWHERE - Magnetic back and tabletop stand with °F/°C selector—perfect for kitchen, greenhouse, cellar, or even your humidor.
TRACK EXTREMES EFFORTLESSLY - Displays high/low temperature and humidity records to help you optimize your space.

The TempPro TempAir Digital Hygrometer is a highly accurate indoor thermometer and humidity monitor with ±1°F and ±2-3% RH precision. Featuring a quick 10-second refresh rate and intuitive humidity level icons, it provides real-time insights into your home or workspace environment. Its versatile design includes a magnetic back and tabletop stand, making it ideal for kitchens, greenhouses, cellars, and more. This 3-pack ensures you never miss a beat in maintaining optimal air quality and comfort.

Specifications

ASIN	B0C4XLLGZ7
Additional Features	High Accuracy
Age Range Description	Adult
Best Sellers Rank	#1,985 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #17 in Indoor Thermometers
Brand Name	TempPro
Color	White
Customer Reviews	4.7 4.7 out of 5 stars (869)
Display Type	Digital
Included Components	1x Thermometer, 3x AAA Battery
Indoor Outdoor Usage	Indoor
Item Length	3.82 inches
Manufacturer	TempPro
Model	TempAir CORE TP-50-3
Model Name	TempAir CORE TP-50-3
Number of Batteries	3 AAA batteries required. (included)
Outer Material	Plastic
Part Number	TP-50-3
Power Source	Battery Powered
Response Time	10 seconds
Reusability	Reusable
Style Name	Contemporary
Upper Temperature Range	158 °F

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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46742CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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