????DaToo 50W Small Aquarium Heater -- A warm water temperature can always bring happiness to the fish. They can freely play around in the water without worrying about the cold, which will make them healthier and more energetic. DaToo 50W aquarium heater, three-point temperature control system, sturdy and durable, real-time temperature display and external temperature adjustment, safe and easy to use, not only can easily create a warm underwater world for your fish, but also bring them happy. ????Three-Point Temperature Control System -- DaToo creatively uses three temperature sensing points, which makes DaToo heater has more accurate and sensitive temperature. Accuracy is ±1℉. Automatic constant temperature, when the water temperature reaches the set temperature, the heater will automatically stop heating. When the water temperature is lower than the set temperature, the heater will automatically start heating. No need to worry about overheating. ????Sturdy And Durable -- High strength ABS shell, no fear of any external force damage and chemical corrosion, high temperature resistant, longer service life. Thicker quartz glass, explosion-proof and crack-proof, safer and more durable, excellent heat transfer rate, which enables DaToo aquarium heaters to quickly fill every corner of your fish tank with warmth!