?Controller Can Be Installed with Adjustable Hooks?A hook can be installed on the back of the controller to hang on the fish tank. The installation is very simple and no tools are needed.The size of the hook can be adjusted according to the thickness of the fish tank,Very safe and reliable.AQQA products enjoy a one-year warranty, please rest assured to buy. ?Memory Function,Dry Burning-resistant Protection?Controller with memory function,If power is shut off,the heater will keep the temperature settings until it powers on again,no need to worry about pets when you going out.When the heating rod is 5cm above the water surface, the heating rod will automatically power off, and the controller will display "E1". When submerged in the water again, the heater will automatically return to normal, no need to unplug the power or reset the controller. ?LED External Controller with Indicator Light?The controller is not waterproof, please keep away from water,LED digital display screen shows the current water temperature and preset temperature.The number the left on the controller is the current water temperature, and the number on the right is the set temperature,torch light and surrounding lights flicker means heating,torch light and surrounding lights not flicker indicate constant temperature. ?Temperatures Ranges 68? to 93?,Automatic Heating?The heating rod built-in thermometer,When the water temperature is lower than the set temperature by 1?, the heater will automatically heat up, and stop heating when the water temperature is consistent with the set temperature.Fahrenheit and Celsius can be converted to each other,Pressing and Press and hold "+" and "-" at the same time, Fahrenheit and Celsius will be converted into each other after 5 seconds. ?Explosion-proof Quartz Glass Aquarium Heater Durable and Safer?The heater made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction,faster water heating and long lasting.2 hours heating 1?.The shell is a high temperature resistant PC material, which can effectively protect the fish from scalding.

Best Sellers Rank: See Top 100 in Pet Supplies. : B08LV7YV7Q. Manufacturer: AQQA. Date First Available: September 17, 2020. Package Dimensions: 17.2 x 8.66 x 2.24 inches; 3.17 Pounds.