Submersible Aquarium Heater (500W/800W) with External Controller, LED Display and Suction Cups

Information about AQQA Safe and Durable Design HeaterThis heater is built to last and keep your aquatic friends safe. It’s made with heat-resistant quartz glass and a PC plastic cover, featuring a double seal for enhanced protection. This construction makes it explosion-proof, shatterproof, and IP68 waterproof, providing a much safer environment for both you and your fish.Intelligent Automatic HeatingWith an external temperature controller, this heater offers an automatic constant temperature function. You can set the temperature between 59ºF- 93°F (15°C- 34°C). To easily switch between Celsius and Fahrenheit, just hold the button down for 5 seconds. The heater will automatically resume heating if the water temperature drops just 1℉ (1°C) below your set point. Plus, if there’s a power outage, it’ll remember your temperature settings when the power comes back on.Clear Digital LED DisplayThe digital LED display on the front of the controller clearly shows both the current temperature and your set temperature. A constant red light indicates the heater is working, while a constant blue light means it has reached 93℉ (34℃) and stopped heating. If the heater is exposed to air or not fully submerged, you’ll see a blue light and an “E1” fault code, alerting you to the issue.Easy Installation and Wide ApplicationInstalling this submersible fish tank heater is quick and simple. You can place it vertically or horizontally using the adjustable hanging rack and two suction cups. Just remember to ensure the heater is completely submerged in water before turning it on and install it near a water flow area to prevent uneven heating. This versatile heater is suitable for both freshwater and saltwater aquariums.Important Note: Before cleaning your aquarium or changing the water, always cut off the heater’s power and let it cool for 10 minutes before removing it from the tank. Power: 100W/200W/300WSuggest tank size: 25-35 Gallon/45-80 Gallon/ 80-95 GallonTemperature: 59ºF- 93 ° F (15 ° C- 34 ° C)Cord length: 4Ft 5.9Ft 3 Color Light Modes White Green LightBlue Red LightWhite Red Green Blue Light (Full Spectrum) 10 Types of Brightness 10%-20%-30%-40%-50%-60%-70%-80%-90%-1000 combinations of brightness in full spectrum mode 7/24 Sunrise Sunset Mode Automatic cycle,In this mode, fixed the full spectrum mode and can't adjust brightness. Independent Detachable Bracket Heat-resistant Quartz GlassThe heating rod, made of insulated, explosion-proof quartz glass, features nickel-chromium wire for fast heating and high temperature resistanc. Accurate Temp ControlAQQA aquarium heater has sensitive probe for precise ±1°F control, stopping at the set temp and resuming when 1°F lower for a safe aquatic environment Memory FunctionThe previous settings are retained after the power is turned off. Saves the hassle of having to set it up every time you turn it on again Easy & Adjustable Installation Please note:Ensure the heater is fully submerged in water, fixed horizontally or vertically in a well-flowing area, with the working light visible.Always turn it off and let it cool completely before removing it from the water.Avoid placing the heater in sand, as this can lead to inaccurate heating.