Aquarium Heater Submersible 500W, Digital LCD Display, Adjustable Thermostat for Freshwater & Saltwater up to 79 Gallons, Auto Shut Off & Overheat Protection

【Precise Temperature Control】: Digital LCD display allows for accurate temperature setting between 15°C-34°C (59°F-93°F); ideal for a wide variety of freshwater and saltwater fish, reptiles, and aquatic plants; ensures a stable and healthy aquatic environment 【Safety Features】: Integrated automatic shut-off function; stops heating when the heater is out of water; overheat protection safeguards against temperature fluctuations; provides reliable and worry-free operation for your aquarium 【Efficient & Even Heating】: 500W power output rapidly heats water in up to 300L/79 gallons; heating cycle operates every 5-10 minutes with a 2-minute pause for efficient and uniform temperature distribution throughout the aquarium 【Secure & Convenient Design】: Equipped with four strong suction cups; securely attaches to the aquarium glass for stable positioning and optimal heat circulation; 125cm/49in power cord provides flexible placement options; memory function retains settings after power interruptions 【Durable Construction】: Crafted from durable materials with premium heating wires; designed for long-lasting performance and reliability; compact size of 9x3x21.5cm/3.54x1.18x8.46in; lightweight at 338g/0.74lbs for easy installation and use