Aquarium Heater with Intelligent Temperature Controller, 200W for 27-53 Gallon Submersible Fish Tank Heater with Leaving Water Automatically Stop Heating System, for Freshwater Saltwater hygger Aquarium Heater: 200W aquarium heater is suitable for 27 to 53 gallons of saltwater and freshwater aquariums.Voltage 110-120V.The heater length is 6.2ft, power cord is 3.9ft. Accurate LED Digital Display Controller: The controller display the current water tempe. set tempe, heating status, protection signs and alarms. Two temperature control system, which can show F and C. Temp range: 59-93?/15-34?, accuracy: within 1?. When the set temperature is reached, the temperature will automatically remain constant. Multiple Security Protections: ? Anti dry burning function, the heater will automatically stop heating when it leaves the water surface, "Auto shut off" flashes and buzzer sounds .? Overheating Protection, When the temperature exceeds 93F, the controller will display "HH" flashing and buzzer sounds.?Low Temperature Protection,When the temperature is below 59F, the controller will display "LL" flashing and buzzer sounds.?Memory Function, Still remember the last setting if power off. Security Upgrade,Reliable and Durable: The submersible fish tank heater is made of explosion-proof quartz glass and highly temperature-resistant nickel-chromium heating wire, with silicon carbide thermal conductivity, The water heats up faster and the heating rod is safer and more durable.The sturdy black shell is high-temperature resistant ABS material to protect fish, aquatic life and you from burns. Complete Accessories and Warranty: This aquarium heater comes with the accessories you need. The set includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. We provide a 24-month warranty. If there is any problem with our product, please contact us, we are happy to provide you with after-sales service. Product Description Adopting advanced intelligent temperature control system, the hygger aquarium heater can monitor the water temperature changes in real time, and automatically heat or operate at low power, keeping the water temperature constant and saving energy. Upgrade,Reliable and Multiple Security Protections Previous page Next page Safe and durable material: Explosion-proof quartz glass+temperature-resistant nickel-chromium heating wire, Heats faster, safer and more durable. Powerful suction cup Strong suction, the heating rod can be stably fixed in every corner of the fish tank. Heat-resistant protective case High temperature resistant ABS material,no deformation, no softening. Memory function Still remember the last setting if power off. Wide Range of Applications. the hygger aquarium heater is the best choice for freshwater and saltwater aquariums, turtle tanks,small garden ponds. Our Promise We focus on providing customers with a good experience and driving product innovation. If you are not satisfied after receiving the product,please feel free to let us know, we will give you a satisfactory resolution.