Digital Reptile Thermometer Fridge Temperature Probe Temperature Gauge Inside Outside for Freezer Refrigerator Aquarium 4 Pack Black

Quite surprised at how good these are, reading seem consistent & accurate. Handy little gadgets & good value

All already working but I bought extra batteries anyway. Perfect for my vivarium

I’ve been using the Thlevel Digital Thermometer for a couple of weeks now and I’m very impressed. It’s consistently accurate—within ±1 °C of my trusted kitchen thermometer—so I feel confident in the readings whether it’s for cooking, checking my aquarium, or fridge temperature in fact I’ve ordered more as they are so useful The lead is particularly impressive—a full 1 metre long—so I can position the display outside of hot areas (like ovens or direct sunlight) while the probe reaches deep inside. That flexibility is a game‑changer for multitasking in the kitchen or monitoring terrarium conditions . A few extra highlights: • Waterproof probe: I appreciate that I can immerse the probe in liquids for drinks, soups, or tanks without worry—just don’t dunk the display unit • Compact and simple: With its small body and clear LCD display, it’s easy to read at a glance and stash anywhere. • Ready to go: Batteries are included, so it arrived fully functional and working out of the box. ⸻ Bottom Line Whether you’re cooking, caring for pets or plants, or just want accurate fridge-freezer readings, this Thlevel thermometer feels like a premium tool without the premium price. The long, sturdy lead and trustworthy readings earn it high marks all around. Highly recommended.

Bought these in October 2024 for use in our freezer to monitor temperature not expecting much but hoping for the best. It's now January 2026 and I've just had to replace the batteries. That's over a year in sub zero temperatures and still working as good as new! Tip: if using in a freezer put the end of the probe in a matchbox or similar to avoid direct contact with frozen stuff and place somewhere near the freezer center. I used blu-tac to place the display. Cheap as chips and highly recommended!

I’ve been using these for a month. 1 that sits outside the window to know the temperature outside in the morning. These are within 0.5c of the temperature, however when exposed to sunshine the metal clearly heats up like a car. So when it’s about 30c outside it reads over 45 in direct sunlight. Going to have to figure out how to have this outside in the summer with a close to accurate temperature. I have 1 in the bedroom indoors so I know how hot it is inside. Also keep 1 in the office as when people complain it’s cold, I can state the temperature.

2 came and seems accurate but the other 2 are miles off on the temperature

Used for my 3 independent lithium battery boxes in my mobility scooter, I did a 2 day test moving them about the house to check all 4 was accurate to each other, so accurate to 0.01 difference between them all from a radiator to a cold room being left for few minutes. The wires are long enough to reach away from the monitor. Easy battery replacement on the back, I made a 3 monitor block for my 3 battery so I can check each box is not overheating 🥵

Good product ideal for fish tanks