2-Pack Aquarium Thermometer, Fish Tank Thermometer, AikTryee Water Thermomete...

I use this on my pond to keep track of the water temperature. Works really well for this.

This pair of digital thermometers came with 2 extra button batteries and 2 extra suction cups for attaching tank sensors. I've used them for over a month and have only the best to say about them. They update the reading about every 10-15 seconds. They make it very easy to monitor my aquarium temps to keep my baby turtles in a safe range. Inexpensive but they work great.

Accurate, but it's cheaply made & may not hold up: I CAN'T see this holding up to NORMAL use or taking being dropped a lot.

So Glad I got these for my Aquarium. I have one on each side of the aquarium to manage tank temp. I found out My heater was not staying at a consistent temp. I was able to get a new heater before stressing my fish more. Happy aquarium now~

Using them I found my new rwhirlpool efrigerator that came set on the recommended temperature was off by 15 to 20 degrees. Fridge was running 45 to 46 and the freezer was running at around 32 to 36 which is above fda recommended Temps. So I pushed the button for highest setting and it works fine now. Size easily inserts in to freezer. Accurate temperature reading. Bright lcd screen easy to read

These are cheap no doubt, but you get what you paid for. Don't get me wrong, they work but are they accurate? That's another story. Again, it's hit or miss. One seems to work OK but suddenly felt like it needs to go down 10 degrees. For a moment I thought the water was too cold for my fish pond. Then I finally realized it's due to the cheap thermometer. I would still get it but you'll want another thermometer for 2nd or 3rd opinion.

small and convenient to use comes with a suction cup on the wire so it doesnt just fall off

I purchased this double pack of thermometers for my aquatic turtle tank back in April of 2022. I only used one and left the other as a backup. The battery on the initial thermometer JUST DIED TODAY (1.5 years later)!! I thought to myself - wow, that lasted an extraordinary long amount of time. I went to go replace it with the backup thermometer and there were two additional spare batteries in the box. I replaced the battery in 5 seconds flat and just like that, I still have a backup thermometer as well as another extra battery. Moral of the story, if you’re debating getting it - do it. I’m not a review type of person but I’m so satisfied with just half of what was provided and had to look through my purchases to sing their praise!! 10/10!

The thermometers that I received were so inaccurate as to be useless for use in my aquarium. Returned.