AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1000W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display,Suitable for Saltwater and Freshwater(800W)

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About This Explosion-proof Quartz Glass Aquarium Heater Durable and Safer: Made of a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, f aster 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 Temperatures Ranges 68℉ to 93℉: The heater built-in thermometer, when the water temperature is lower than the set temperature by 1℉, the heater will automatically heat up; when the water temperature is consistent with the set temperature stop heating; Pressing and holding for 5 seconds changes temperature display from Celsius to Fahrenheit LED External Controller with Indicator Light: The number above the controller is the current water temperature, the number below is the set temperature; Red light means heating; Blue lights indicate constant temperature; Blue light flashing indicates the heater not fully submersibled; The controller is not waterproof, please keep away from water Dry Burning-resistant Protection: When the heater is 5 cm above the water surface, automatically power off and the controller display "E1"; When submerged in the water again, return to normal, no need to unplug the power or reset the controller; 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 Adjustable Hooks, Controller Can Be Installed: A hook can be installed on the back of the controller to hang on the fish tank; The size of the hook can be adjusted according to the thickness of the fish tank, very safe and reliable Show more