This betta tank thermometers is an essential accessory for any fish enthusiast. The stick-on design allows for easy installation on the exterior of your tank, providing real-time temperature readings without disturbing your fish. The digital display is easy to read, even from a distance, ensuring you can keep a close eye on the water temperature and make adjustments as needed to keep your fish healthy and happy. Features -Color:Black -Material:ABS -Size:4.40X4.40X1.00cm/1.73X1.73X0.39in -Clear led screen: the bright led screen offers a clear and easytoread display, allowing you to monitor the temperature of your fish tank effortlessly -Precision measurements: accurate to within ±0.9°f, this thermometers ensures precise temperature readings, helping you maintain the ideal environment for your aquatic pets -Nonintrusive design: this thermometers does not affect water quality, ensuring and healthy habitat for your fish and other aquatic creatures -Userfriendly installation: designed for easy installation, this thermometers can be set up in minutes, making it ideal for both beginners and experienced aquarists -Multiscene application: suitable for a variety of uses, this thermometers can be used in fish tanks, betta tanks, and other aquatic settings, providing versatile temperature monitoring Package list: 3 tank thermometer