Hygger [ HG992 ]
Hygger Stick-on Digital Aquarium Thermometer
$15.99

- High-precision temperature sensor
- Cordless & sticker design
- High and low temperature alarm
- Can be switched between ℃ and ℉
- Easy to use
- Wide compatibility
Hygger Stick-on Digital Aquarium Thermometer
$15.99
Susan P.
So I love this little thermometer works very well better then my sticker one. BUT the big downside is when the alarm starts beeping the battery only lasts for 2 -3 weeks if the temp alarm doesn't go off it lasts for 2+ months on one battery