50W Aquarium Heater: The aquarium heater uses the European standard plug cable, the working power is 50W, the size of the heating element is 2.5 x 19.5 cm, 3ft feeder cable, small size, leaving more space for your fish and plants. Suitable for 60 liter water tank. High-quality material: The aquarium heating rod itself is made of waterproof components and thickened quartz glass. The material is delicate and shiny, unbreakable and durable, and the internal components are clearly visible. Creates a warm living environment for fish in the tank. Adjustable constant temperature: The aquarium heating rod uses high-resistance heating wire to maintain a constant temperature, and the top is equipped with an adjustable rotary knob. This aquarium heater with an adjustable temperature range of 20-34°C. Automatically turns on or off after setting the desired temperature, no further adjustments are needed. Easy installation: You can install it with 2 powerful suction cups at any angle. Make sure it is completely submerged in water. Usage: This 60L aquarium heating rod is a safe and durable aquarium heater that can heat the aquarium and maintain a healthy environment. constant temperature for the fish. You can adapt it to the aquarium's environment and temperature, suitable for scenes such as aquariums or fish tanks.