Upgraded Aquarium Heater with Intelligent Automatic Shut-off and Temperature Control, Suitable for Saltwater and Freshwater

This 300W submersible aquarium heater is crafted with high-quality quartz glass tubing, making it exceptionally durable and explosion-proof. Suitable for both freshwater and saltwater aquariums, this heater is designed to be shatter-proof, blast-proof, and prevent electricity leakage. The stronger black ABS protective shell not only blends in easily but also safeguards against scalding, providing comprehensive protection for you and your aquatic pets.

The heating system of this fish tank heater is designed for rapid and efficient warmth. Suitable for 20-75 gallon tanks, the heater operates on a voltage of 100-120V/50-60HZ with a power output of 300W. Equipped with a universal two-pin plug, the heater features a 12.99-inch rod length and a 98.5-inch power cord, allowing for flexible placement. The temperature range spans 63-94°F/17-34°C, thanks to the nickel-chrome heating wire that conducts heat quickly and ensures adequate dissipation for a rapid heating effect.

Ensuring maximum safety, this aquarium heater boasts a unique intelligent temperature and water sensor system. The heater will automatically stop heating if the aquarium heater head is 5cm out of water, displaying "E1" on the digital screen and flashing the green light. Additionally, the heater will rapidly heat beyond the set temperature, and the indicator light will turn green to safeguard you and your aquatic organisms.

Featuring a digital LED display controller, this aquarium heater offers two temperature control systems within the range of 63-94°F/17-34°C. The controller displays the real-time water temperature on the top and the set water temperature on the bottom. Adjusting the temperature is a simple task, requiring only repeated pressing and holding of the button. The red light indicates the start of heating, while the green light signals the cessation of heating. For convenient switching between Fahrenheit and Celsius, simply long press the thermostat button for 5 seconds.

The versatility of this aquarium heater extends to its removable design. The shell can be disassembled into 4 sections by pressing the clips and pushing outward to remove the housing. Two strong suction cups are provided on the heater guard, making it effortless to install the heater on the tank walls or bottom, as long as it remains fully submerged before plugging in. This heater is suitable for a wide range of applications, including aquariums, betta fish tanks, turtle tanks, small fish ponds, and various aquarium settings.

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