I want to use this as a freeze warning for my garage. Would like it to go off if it gets below like 42 degrees. Would this work?

Yes this would work for your needs

Does the Max min setting measure the highest/lowest temp during a set period of time? If so what is that time? 24 hours?

It measures the max/min temperature since you last reset it.

Must I drill a hole in my freezer to use this item?

I routed the cord in back and underneath and ran it up thru the freezer drain hole .

The definition of out probe and in probe are vague. if i'm using this in the freezer is the in probe?= freezer & out probe? room temp?

We have our control display on the outside of the refrigerator. The wired probe sensor is inside the refrigerator compartment and corresponds to the "out" setting. The "in" sensor and setting is within the display so in our case reads the room temp at the outside door. Hope that helps.

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Digital Freezer / Fridge Thermometer With Alarm and Max Min Temperature Feature

Digital Freezer / Fridge Thermometer With Alarm and Max Min Temperature Feature

Product ID: 298083227

Details

Age Range (Description)
Adult
Brand
Brannan
Outer Material
Plastic
Special Feature
Alarm
Specification Met
CE

⏰Instant alarm alerts

📊Max/min temp tracking

🔋Low-power 1 AAA battery

$53.39

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Description

❄️ Keep your cool with precision and peace of mind!

ECO SMART POWER - Runs efficiently on a single AAA battery with rechargeable capability, combining convenience with sustainability.
NEVER MISS A BEAT - Built-in alarm instantly notifies you if temperatures stray from safe zones—protect your food and peace of mind.
STAY AHEAD OF THE CHILL - Real-time digital display with 500ms response keeps your freezer temps perfectly monitored.
TRACK TRENDS LIKE A PRO - Max and min temperature memory lets you analyze freezer performance over time for smarter management.
SLEEK PRACTICAL DESIGN - Lightweight (9g) and compact with a clear external display—fits seamlessly in any freezer or fridge setup.

The Brannan Digital Freezer/Fridge Thermometer features a fast 500ms response digital display, max/min temperature memory, and an alarm system to alert you instantly if temperatures deviate. Lightweight and powered by a single AAA battery, it’s designed for indoor freezer and fridge use, ensuring your food stays perfectly preserved with professional-grade monitoring.

Specifications

ASIN	B0084ZEE4Q
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#805,136 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #77 in Refrigerator Thermometers
Brand	Brannan
Brand Name	Brannan
Connectivity Technology	Bluetooth
Customer Reviews	4.1 out of 5 stars 725 Reviews
Display Type	Digital
Indoor Outdoor Usage	Indoor
Item Weight	9 g
Manufacturer	Brannan
Model Name	22/420/3
Model Number	22/420/3
Number of Batteries	1 AAA batteries required.
Outer Material	Plastic
Outer Material Type	Plastic
Part Number	22/420/3
Power Source Type	बटरी सचालित
Product Care Instructions	Freezer Safe, Wipe Clean
Response Time	500 Milliseconds
Reusability	Rechargeable
Special Feature	Alarm
Special Features	Alarm
Specification Met	CE
Style Name	Digital
Unit Count	1.0 Count

Reviews

M**H

Castle

All good.

20.07.2025

M**U

Great Chest Freezer Thermometer

Easy to use freezer thermometer . Know the freezer temperature with external display

22.04.2026

C**N

Ottimo termometro per monitorare la temperatura interna di frigoriferi e congelatori

Ho acquistato questo termometro per monitorare la temperatura di un congelatore verticale e soprattutto per segnalare con l'allarme l'eventuale porta aperta. Il termometro è ben fatto, abbastanza preciso nella misurazione. L'allarme suona con pause di circa un minuto fin quando la temperatura rilevata non raggiunge il limite impostato. Considerato il costo fa egregiamente il suo lavoro. Più che soddisfatto.

20.10.2025

G**G

Instalación del termómetro en un congelador

El termómetro ha funcionado a la primera y cumple con su objetivo de vigilar una no deseable decongelación cosa que ya me ha pasado antes.

18.07.2017

K**4

الشاشة مع الشمس تخرب

دقيق وممتاز بس مشكلته ما ينفع تحطة عند حرارة يخرب

29.10.2022

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$53.39

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

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TrustScore 4.5 | 7,300+ reviews

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