2-in-1 Aquarium Magnetic Cleaner with Digital Aquarium Thermometer, Fish Aquarium Mini Magnetic Brush only for Glass Fish Tank,Tiny Magnet Cleaner Floating Cleaning Tool for 1-30 Gallons

1.Accurate Temperature Monitoring: Backside is temperature sensor,press and hold for 3 seconds to switch temperature units.monitoring range from 0℉ to 99℉.Accuracy: ±0.9°F.
2.Suitable for Glass Tanks: Specifically designed for glass tanks with a thickness not up to 1/2 inchs, featuring strong magnetic force for protected attachment. Advisable to be used in fish tanks of 1-30 gallons
3.Sturdy Magnetic Adhesion: Powerful magnetic force ensures the brush stays firmly attached to the glass of the fish tank, preventing it from floating.
4.Efficient Cleaning: The powerful magnetism effectively cleans each a part of the aquarium, cleaning both the outside and inside of the glass, ensuring thorough cleanliness.
5.Convenient and Practical: Compact in design and easy to operate, it will probably waft at the water surface without affecting the activities of aquarium organisms, occupying minimal space. Specifically designed for glass tanks, not suitable for acrylic and plastic aquariums.