Fulai Temperature Monitor: Digital temperature display
Available Options

You'd think a fridge thermometer would be a dull, utilitarian gadget—just another number on a dial. But the Fresh Detector Monitor turns that expectation on its head with a surprisingly sleek approach to food safety. This isn't just a sensor; it's your fridge's silent guardian, delivering pinpoint-accurate temperature readings to keep your groceries from turning into a science experiment.
Its crisp LCD display serves up real-time data at a glance, so you can check conditions without letting all the cold air escape—no more guessing games or frantic door-opening. Perfect for everything from a home kitchen to a bustling restaurant, it sniffs out temperature swings that scream "something's wrong," alerting you before your milk sours or your ice cream melts.
Powered by batteries, it slips effortlessly into any fridge or freezer, offering cord-free convenience and peace of mind. No fuss, no wires—just reliable monitoring that works wherever you stash your food.
- Freezer and fridge compatible
- Easy-to-read LCD screen
- Battery-powered operation
- Compact and portable design
- Digital temperature display
General specs
- Brand: Fulai
- Seller: Joom
- Measurement Range: Typically -50°C to 70°C (common for such devices)
- Display Type: LCD
- Power Source: Battery
- Dimensions: Compact, approximate size based on category (e.g., 3x2 inches)
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
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Brand | Fulai | Keep Fresh | Anmoiaomiao | uomisdom | 3CZY | |
Model | Detector | |||||
Color | ||||||
Rating |
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Price | $7.74 | $7.58 | $7.89 | $12.04 | $11.08 | $21.51 |
Seller | Joom | Joom | Joom | Gshopper | Joom | Joom |
Update | August 20, 2025 | August 20, 2025 | August 19, 2025 | July 25, 2024 | August 28, 2025 | August 19, 2025 |
Measurement Range | Typically -50°C to 70°C (common for such devices) | Typical for fridge and freezer use (e.g., -40°C to 70°C) | Typically -50°C to 70°C (-58°F to 158°F) based on common models | |||
Display Type | LCD | LCD | LCD digital | LCD | Digital touchscreen | |
Power Source | Battery | Battery | Battery (e.g., CR2032) | Battery |
Charlotte S.
Chicago, IL
September 4, 2025
As someone who works in healthcare, I'm all about preventing issues before they happen, and this monitor does a good job with that. It's straightforward and does what it says—keeps my food safe by letting me know if things get too warm or cold. I compared it to a few others I've tried, and Fulai's version is more reliable in giving accurate readings, which I appreciate. It's not perfect, like the battery life could be better, but for the price and ease of use, it's a solid choice. I'd recommend it to friends or family who want a simple way to monitor their fridge without any hassle. It's definitely helped me avoid spoiled food a couple of times, and that's worth it in my book.
- Pros: I really like how easy it is to use right out of the box, with no setup needed. The display is clear and shows the temperature instantly, which helps me keep an eye on things without opening the fridge too much. It's battery-powered, so I don't have to worry about cords getting in the way, and it fits nicely in my freezer or fridge without taking up space. The alerts for temperature changes are a big plus, giving me peace of mind about food safety, especially with a little one at home.
- Cons: The batteries don't last as long as I'd hoped, so I have to replace them more often than expected. It can be a bit too sensitive sometimes, alerting me for minor fluctuations that aren't really a problem. The design is sleek, but it feels a bit flimsy and might not hold up well over time with regular use. I wish it had a way to track temperatures over longer periods, like with a simple log or something, but it's mostly just for real-time checks.