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🚨 Never let an open fridge door ruin your day again!
The FRIDGGI Freezer Door Alarm is a compact, battery-powered device designed to alert you with escalating sound levels—from 80 dB gentle beeps to a piercing 110 dB siren—if your fridge or freezer door remains open. Featuring a progressive alert system with reminders at 1, 2, 3, and 4 minutes, it ensures timely notifications to prevent food spoilage. Its sleek, discreet design fits all fridge types and installs easily with adhesive tape, making it an essential smart safety upgrade for any modern kitchen.






| ASIN | B0813GNDB8 |
| Audible Noise | 110 db |
| Battery Description | Alkaline |
| Best Sellers Rank | #5,795 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #134 in Refrigerator Parts & Accessories |
| Brand | FRIDGGI |
| Color | White |
| Compatible Devices | Mini Sensor |
| Control Method | Touch |
| Customer Reviews | 4.4 out of 5 stars 4,219 Reviews |
| Item Dimensions L x W x H | 0.79"L x 1.38"W x 2.56"H |
| Item Type Name | Freezer Door Alarm |
| Item Weight | 1.28 ounces |
| Manufacturer | Fridggi |
| Maximum Range | 60 meters |
| Mfr Part Number | Fridggi-52321 |
| Model Number | Fridggi-52321 |
| Mounting Type | Door Mount |
| Number of Batteries | 3 LR44 batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 0.79"L x 1.38"W x 2.56"H |
| Sensor Technology | Contact Sensor |
| UPC | 605928126018 |
| Unit Count | 1 Count |
| Voltage | 4.5 volts |
S**H
A great idea--a device to warn of an open freezer door and prevent a melting disaster.
After experiencing a minor disaster when the garage freezer door was left ajar and everything was 20 degrees warmer due to the frost accumulation, I decided something had to be done so this won't happen again. Voila--this freezer door alarm. It is super easy to install using the supplied adhesive. It is also much smaller than I expected, but that turned out to be a good thing because I installed it on the front side of the freezer door (ours is a top freezer) instead of the top, so I can see it better and control it easier. I feel relieved knowing that if that door gets left open again, and we are home, we will hear a very loud siren coming from the garage and be able to fix the problem immediately. After a couple of minutes, it will beep, but I don't think we would hear that. After several minutes it will emit a loud siren which we would be able to hear. That's exactly what I wanted.
J**J
Easy to use and a life saver
I don't write many reviews but I felt like I had to write this one. If you are hesitating on getting a freezer door alarm, don't hesitate on getting this one. I have let my food go bad/ thaw multiple times before I broke down and bought this. Since I have gotten this I have heard the alarm go off at least five times and in my head thought thank goodness I bought it because if not it would have happened again and I would have lost a freezer full of food again. This alarm is great you can hear it from the other side of the house and it gets louder and more frantic the longer you leave it open. Make sure you install it from the top and try your best to get it to where even if the door is slightly cracked it will go off. That's how I installed it and it has saved me many of times. I wish I would have bought this sooner
M**G
Easy Setup
Great product! Will give a subtle beep to let you know the door has opened and then times out to various stages of alarm. Easy setup and allows for various door angles. Impressed so far - hope it has long battery life.
T**L
Well designed and loud
i really like this little thing, especially for the price. + This sucker is very loud. + It has very quiet reminder beeps. + It has four settings for how those reminders work and how long before the siren. + The installation video is very helpful. i wish i had watched it before installation. + It comes with extra double-sided tape, some thin. i recommend buy some double-back foam tape from the hardware store if you have to change it's location. i have a roll that is pictured and it works just as well. + Contrary to what another reviewer said, there is extra tape and the tape does not go over the battery door, so changing the batteries without removing the tape is not a problem. The reason i gave it a 4: - The manual instructions, which i uploaded here incase you or i need it later, has Chinese machine translated English and make it difficult to understand the 4 settings. Maybe it's me, but i am not clear on the differences. - The manual nor the device shows which way the batteries goes, hence the complaints about replacing the batteries did not make it work again. So i picture them with this review for our edification. - i could not find a download of the manual, so i picture it with this review. - The installation video, like most wordless installation videos, has loud, annoying, porn-style music that interferes with hearing the sounds that are important for installation. Why do they put crappy music on wordless videos? - The backing on the thin double-sided tape is very difficult to get off. i could not find the edge of the backing after sticking it to the device. i had to cut into it with a knife and scrape. All in all though, this is a good device relative to cost. i recommend it.
M**W
Reliable addition to our French door refrigerator
Our refrigerator had no alarm on it causing it to be left slightly open at times, and discovering it much later. This little alarm has been great because it gives a very faint reminder beep when the door is opened, and then a louder beep after a minute if the refrigerator door is accidentally left open. So glad I purchased this. Very reliable.
A**E
Semi-annoying, but useful
Decided to order this after a few recurring instances of our fridge getting left open in our house for several hours. Having to junk all your food due to unsafe temperatures isn't great, so we got this little device. It's pretty small, so it's not an eyesore. You install it using adhesive strips (they include 2 sets of these), one on the door & one on the main body of the appliance. It has a few different settings if you'd prefer quiet or loud alerts. We decided to leave either on the 3rd loudest, because it a shorter time (1 minute) before the warning noise sounds as well as softer beeps that will sound about every 10 seconds leading up to the warning. We haven't had any issues with the fridge being left open since :)
D**S
Only gets loud when you need it to
It's the worst feeling waking up to your morning coffee, going to grab the creamer only to find that the fridge wasn't completely shut last night. Having to Google what you have to throw out when the food reaches 46 degrees(yes - we risked it on some things, and no we didn't get sick). Leaving the fridge open at my house only happens once every several years, but it's so stressful when it does that I figured there must be some sort of alarm out there that we could use. I saw the FRIDGGI and some off brands on Amazon. This one appears to be specifically for the fridge, whereas the off brands appear to be designed to be multi-purpose. This one was a few dollars more, but I wanted something that had a brand name backing it. I did some testing on the counter before I actually mounted it to the fridge, so I had piece of mind. You have different settings that aren't incredibly intuitive, but they aren't so different that you would "choose the wrong setting" per se. It has a pin-point red LED that will light up when you open the fridge and will give you a bit of a chirp nudge when you have it open for a minute. The chirps get louder and more intrusive once you start getting to the 3-5min range and seem to be a steady alarm after 5mins. It's a very good choice of volume, since it didn't really hurt my ears, but at the same time I could hear it from the other room while having my TV (with soundbar) at a normal volume. Perfect for my needs. I was boarder-line disappointed by the range of the sensor. have a side-by-side fridge/freezer, and I mounted both sides of the FRIDGGI to each door. My goal was to have this alarm go off if either the fridge or freezer (or both) were left open. I was able to achieve this, but it's a very specific distance that I need to set. The main unit is mounted, but the smaller piece is attached by magnet and can get knocked out of place (though It hasn't yet). It did come with mounting tape, but that would elevate the smaller piece and change the distance. If it gets knocked out of place, I may use the mounting tape. For now, I'm satisfied with the setup, since it's high enough up that it may never happen.
W**G
Works well, easy to apply
Worked well. I have a pull out freezer bottom and the gap works. Pro- med level is good volume for a small house, increases noise levels at every few min or so. Con: beep are intermittent and lower level volume at first, may be confusing on what the sound is. Also beeps lightly at EVERY opening
A**N
Fiddly to instal exactly right, but it does work
After yet another freezer-not-being-properly-closed-by-returning-offspring-after-a-nightout, we got this device. I had previously had a more expensive wireless temperature monitor for the same purpose, that was really designed for professional settings like labs etc. It had 2 sensors you just put in the freezer/fridge and then a receiver/alarm unit located within range. But I found it went off occasionally for random temp fluctuations not actually caused by the door being left open, and was then fiddly to reset. Anyway I made the mistake of thinking 'those days are over now the kids are older/more responsible....' - well, you know how that one ends. A week ago we lost another load of frozen food after an all-night door slightly ajar situation which caused the tempertaure to rise so much, we had to defrost the freezer completely and start it again (BTW top tip - last time this happened, we thought something had gone wrong as it simply wouldn't reach freeze temperatures again. Paid £250 for a Miele callout to be told 'defrost it completely, then turn it on again, and leave it for 12 hours'. So that's what we did this time, without paying for the advice - works perfectly). So now I've replaced my old temperature sensor with this distance monitor. So - as for installation - this is the tricky part, and of course it all depends on how your freezer is located and whether it's built in or not. So ours is built in and I decided the neatest solution would be to position the device on the underside of the door - see pic. The main unit went on fine - luckily there was a 4cm gap between the back edge of the door of the freezer, and the vertical panel between the door bottom and the floor. The sticky pad for the main unit worked fine also - very sticky and am confident it will stay on for a while, despite being at maximum risk (ie with gravity applying constant pressure and in an area exponse to damp/cold). That said, I only needed to apply it once - see below. The instructions were that kind of non-English, minimal type you get from, presumably, Far East manufacturers, but it's fairly easy to work out that the different volumes of alarm are activated by 1, 2, 3 or 4 presses of the 'set' button. The next bit was the hardest part. I wanted to position the smaller 'activator' unit so that even if the door was only slightly ajar, it would go off. So here's what I found: 1. The alarm triggering depends not only on how close the units are to each other in terms of the gap between them side-by-side, but also 'vertically'. So you can see from the pic how I ended up with the smaller unit moved towards the 'top' of the main unit. I found this to be the exact right spot for triggering even a slight gap (say, 1cm or less) of the door being ajar. This is crucial for us as it only takes this kind of gap, left open all night, for the freezer to get upset. 2. The sticky pad for the smaller unit stopped working after 3-4 efforts to get the positioning just right - presumably because I was sticking and unsticking it to a slightly greasy, cold, aluminium surface. Cleaning the surface didn't help, so I gave up on the pad. I took it off from the unit and instead improvised with insulating tape and UHU glue. I also marked the final location with a Sharpie, as you can see in the pic, for good measure, in case it gets knocked off. 3. My wife is very sensitive to noise, but we also need the alarm on the loudest setting, so we can hear it when we're in bed late at night, as that's when certain people seem to visit the freezer carelessly. So it will be interesting to see what happens if we are opening the freezer to load/unload and the louder alarm is triggered (think this is 2 or 3 minutes, but again neither the instructions or the page here is particularly clear on this point). However - I can confirm - it's very loud and you should be able to hear it anywhere. 4. Finally, just to note, to replace the batteries you apply a bit of pressure to the front of the main unit and push it 'upwards' (towards the logo end), and the cover should just slip off. I can do this even when its located under the door like this - not difficult. Hope that's all helpful! Will repost an update if it goes wrong/doesn't last long. 2026 update: Don’t know if anyone is still reading a 2021 review of a fridge alarm but suffice to say, 5 years later, I’ve just bought another one for our new house! Indispensable - even for brand new fridges with a supposed alarm system. Don’t know why but for some reason they just don’t seem to work if you leave the door slightly ajar. This one always does!
S**N
work well and doing his job
accurate with even a slight gap in the refrigerator door, very happy with the product,
N**T
Parfait une fois qu’on a compris comment ça fonctionne
Une fois qu’on prend le temps d’attendre les minutes indiquées dans le mode d’emploi, c’est très efficace
M**N
Shocked at how well this works... highly recommended.
I have a habit of not closing the basement freezer door properly, which resulted in spoiled food more often than I want to admit. I first tried putting a magnetic thermometer by the door and setting a temperature alarm, but this has two drawbacks. First, the alarm won't sound until the temperature inside has already reached a dangerous point, and even worse... the alarm wasn't loud enough to hear even one floor up from the basement. This alarm solves both those issues. If you are careful about placing the alarm and the magnet it will detect of door gap of as little as 1/8". If the door is that close to closed the door seal magnet should pull it the rest of the way in. Even more important than that though is the volume of this alarm is LOUD! As soon as you open the door you hear a quiet "chirp" which repeats every 20 seconds or so for the first minute, then it starts to beep louder and longer for the next couple of minutes to remind you to close the door when you are done. If the door remains open past four minutes the full siren goes off and I wouldn't be surprised if the neighbours could hear it. If you need to door open longer than four minutes, say for defrosting, there is a small switch on the alarm portion to turn it off. You can choose several locations around the door to mount the alarm and magnet and it comes with adhesive shims to equalize the door and body surfaces if they aren't exactly aligned. The handle side of my freezer door is only about an inch from the wall so I chose to mount the alarm and magnet on top of the freezer and door instead of the side.
F**B
Fonctionne 👍
Bon produit. Fait sont taf, il suffit tout simplement de bien l'installer.
Trustpilot
2 months ago
1 month ago