I wonder why it shows only even numbers for temperature. I've seen the same complaint by others. I put a fresh Eveready alkaline battery, same thing.

I have 4 units of the AcuRite 00325 thermometer and not a one ever shows even numbers for Fahrenheit temperatures, e.g., 72, 68. They only show odd numbers, e.g., 73, 75, 77, 79, 81. I've never set them to Celsius.

One AA alkaline battery, ideal. Size is one of most commonly available. Lasts longer than AAA. Many similar portable digital humidity-temperature devices use smaller button batteries, which are less available and more problematic to replace correctly.

Does it display historically highs and lows, or only from the last day or so?

It resets every 24 hours from when you put in the battery. I deliberately pulled the battery one night so that the data would reset for each day when I wanted it to.

I'm thinking of using this hygrometer to keep track of the humidity in my acoustic guitar's case. Do you think it would work well for this purpose?

I keep one in my guitar case, one in my banjo case, and one in the room I play music in (for when the instruments are not in a case). You may have to play with the geometry a slight bit to find the best place to put it in the instrument case but they work well for that purpose.

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Thermometer & Hygrometer with Humidity Gauge, Magnetic Only

Product ID: 309857

Details

Battery Description
Alkaline
Brand
AcuRite
Color
Black
Item Weight
3.04 ounces
Product Dimensions
2.5"W x 3"H

📊Daily high/low humidity & temp tracking

🧲Magnetic mount for versatile placement

🌡️±1°C accuracy

¥4098

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Description

🌿 Stay perfectly in sync with your space—comfort, clarity, control.

PRECISION YOU CAN TRUST - Get ultra-reliable temperature and humidity readings with ±1°C accuracy—never second-guess your indoor climate.
INSTANT COMFORT INSIGHTS - Humidity comfort level icon gives you a quick visual cue to optimize your living or work environment for peak wellness.
CLEAR AT A GLANCE DISPLAY - Large, easy-to-read digital screen means you stay informed without squinting or fumbling for your phone.
EFFORTLESS PLACEMENT ANYWHERE - Sleek tabletop design with a powerful magnetic back lets you position your monitor exactly where you need it—no drilling required.
TRACK YOUR ENVIRONMENTS STORY - Daily high and low records help you understand trends and maintain ideal conditions for everything from wine cellars to home offices.

The AcuRite Thermometer & Hygrometer combines precise ±1°C temperature accuracy with a magnetic mount for flexible placement. Its easy-to-read display and humidity comfort icon provide instant insights, while daily high/low tracking empowers you to optimize indoor environments from bedrooms to wine cellars. Compact and reliable, it’s the smart choice for millennial professionals who demand both style and substance in their home tech.

Specifications

ASIN	B004K8RF10
Battery Description	Alkaline
Best Sellers Rank	#18,576 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #63 in Indoor Thermometers
Brand Name	AcuRite
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (7,658)
Global Trade Identification Number	00072397003254
Included Components	Digital hygrometer and thermometer, instruction manual
Item Dimensions W x H	2.5"W x 3"H
Item Length	3 inches
Item Type Name	AcuRite 00325 Indoor Thermometer & Hygrometer with Humidity Gauge, Black
Item Weight	3.04 ounces
Manufacturer	AcuRite
Model	00325
Mounting Type	Tabletop
Number of Items	1
Operating Humidity	20-95 percent RH
Part Number	00325
Temperature Accuracy	1 degree Celsius
Temperature Reading Accuracy	plus_minus_1_degree_celsius
UPC	885514226845 776135046373 885846255520 885469659033 723434309821 072397003254 737508178770 737946424859 707568286845 043941097098 885321675393 885429360504 885609956640 885220160440 885569298422 745176863300 732233466956
Unit Count	1 Count
Upper Temperature Range	122 °F
Voltage	3 volts
Warranty Description	1-year limited warranty.

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¥4098

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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