VIVOSUN Submersible Intelligent Temperature Over Temperature Fish & Aquatic Pets Review

Durable & Shake Resistant: 300W aquarium heater can be used for 31 to 75 gallons aquariums; Made with highly durable titanium tubing with an extremely waterproof IP68 rating; It can be used in freshwater, etc. Automatic & Precise Temperature Control: The intelligent IC chip with dual temperature sensing enables automatic temperature control via the dual sensing probes on top of the heater, which is safer for the fish. Intelligent LED Temperature Display: Intuitive display for easy, more accurate temperature readings; When the temperature is below or within the set range, a red light or a blue light will be displayed. Water Cut-off & Overheating Protection: The heater includes instantaneous cut-off when water drops below a certain level; The heater bar also has a built-in over-dry burn protection device. Easy to Operate: The design of the external regulator makes it easier to use; The long 5.42 ft. cable allows it to work well; The 2 suction cups included allow the heating rod to be sucked onto the tank wall.