Features: Wide Application - This 400W Titanium Aquarium Heater Is Designed To Fit 3 1/4 To 3 11/12 Ft Fish Tanks With Capacities Of 70 To 80 Gallons, And Is Ideal For Both Fresh Water And Salt Water Aquariums; Suitable For Aquariums, Aquaculture, Terrariums, Hydroponic Systems, Etc.- Adjustable Temperature Range - Equipped With An Intelligent Ic Chip For Convenient Temperature Control Within A Large Range From 68 To 94 Degrees Fahrenheit, Suitable For Different Kinds Of Fishes, Crustaceans, Amphibians, And Turtles- Lcd Digital Display - Equipped With An Informative Lcd Digital Display Which Makes It Easy To Observe And Monitor The Water Temperature, While Safely Adjusting The Water Temperature With The Included External Controller- Durable - Made Of Sturdy Titanium Alloy, It Features Ipx8 Water Resistance, Along With Resistance To Rust, Corrosion, Scalding And Explosions, Ensuring Safe Operation And A Long Lifespan Even With Frequent Usage- Safety First - Ce, Fcc And Rohs Certificated For Safety And Quality Assurance; Features An Automatic Power-Off System Which Turns The Heater Off Automatically When The Built-In Sensor Is Exposed To Air Or When The Water Temperature Is Above 94 Degrees Fahrenheit, In Order To Prevent Mechanical Damage From Dry Burningspecifications: Heater Dimension (Lxdia.): 12 5/8'' X 1 3/16'' (32 X 3 Cm)- Wire Length: 5 5/12 Ft (165 Cm)- Fits Fish Tank Length: 39 3/8'' To 47 1/4'' (100 To120 Cm)- Fits Tank Water Volume: 70 To 80 Gallons- Adjustable Temperature Range: 68 To 94 F (20 To 34 C)- Rated Power: 400W- Voltage: 110 To 120V- Material: Titanium Alloy- Net Weight: 0.7 Lb (0.32 Kg) Package Contents: 1X Aquarium Heater - 2X Suction Cups- 1X Manualnotice: Please Submerge The Aquarium Heater In Water Completely While It Is Working, Or It May Stop Working.