Do you leave it on all the time? Or only turn it on while you read the temperature? Wondering how long batteries last if on all the time.

I leave on all the time - so the electronics are stabilized. I've owned for about a year and all 4 units I got are still working fine. Hope this helps!

How are you supposed to hang this? The inside of a fridge or freezer is not magnetic and the hook is on the wrong side to attach to any shelf.

The Thermometer can be placed like a picture frame in the Refridgerator Shelf. In the Frezer the Thermometer can be hanged sideways on one of the Grilled Shelfes. Yes it would be helpful if the Hanging part of the Thermometer had a Swivel., to face the Digital Reading Part up Front

Whart are the 4 colors

Not sure I understand - 4 colors? The units I got were 4 units, all are white with LCD displays. Not aware of any "color" options. Hope this helps.

How long does it retain min/max values? Some of these wipe them out every 24 hours.

The min/max are retained until you manually reset them.

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Waterproof Refrigerator Fridge Thermometer, Digital Freezer Room Thermometer, Max/Min Record Function Large LCD Screen and Magnetic Back for Kitchen, Home, Restaurants (2 Pack)

Product ID: 134075290

Details

Age Range (Description)
Adult
Brand
VOULOIR
Color
White
Display Type
LCD
Included Components
CR2032 Lithium
Outer Material
Plastic

💧IPX3 waterproof rating

📏2.56-inch large LCD screen

🧲Magnetic back + 3 placement options

$31.02

Duties & taxes included

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Keep your cool with precision — never second guess your fridge again!

BUILT TO BRAVE MOISTURE - IPX3 waterproof design ensures reliable performance even in damp freezer or fridge environments.
PRECISION YOU CAN TRUST - Accurate readings from -4°F to 122°F with ±2°F precision and 0.2°F resolution keep your food safety on point.
VERSATILE PLACEMENT OPTIONS - Use the magnetic back, tabletop stand, or hanging hook—fits perfectly in any kitchen or restaurant setup.
EFFORTLESS OPERATION LONG LIFE - Simple 3-button control powered by included CR2032 battery—plug and play with max/min memory reset.
CRYSTAL CLEAR TEMPERATURE DISPLAY - Large 2.56-inch LCD shows current, max & min temps simultaneously for instant fridge insights.

This Waterproof Refrigerator Thermometer features a large 2.56-inch LCD screen displaying current, max, and min temperatures simultaneously. With an IPX3 waterproof rating and versatile placement options including magnetic back, stand, and hook, it offers reliable, precise temperature monitoring from -4°F to 122°F. Powered by an included CR2032 battery and designed for easy operation, it’s ideal for kitchens, homes, and restaurants aiming to maintain optimal food safety.

Specifications

ASIN	B07RPXTKMK
Additional Features	Waterproof
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#1,330 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #6 in Refrigerator Thermometers
Brand	VOULOIR
Brand Name	VOULOIR
Color	White
Customer Reviews	4.4 out of 5 stars 8,132 Reviews
Display Type	LCD
Included Components	CR2032 Lithium Battery
Indoor Outdoor Usage	Indoor
Item Length	1.7 Inches
Manufacturer	VOULOIR
Model	Voul-TM
Model Name	Voul-TM
Number of Batteries	1 LR44 batteries required. (included)
Outer Material	Plastic
Part Number	Voul-TM02
Power Source	Battery Powered
Product Care Instructions	Freezer Safe, Hand Wash Only
Resolution	0.2 degrees fahrenheit
Response Time	0.5 seconds
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	Waterproof
Specification Met	ISO 9001
Style Name	Contemporary
Unit Count	2.0 Count
Upper Temperature Range	50 Degrees Celsius

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