General description This 50W Mini Adjustable Aquarium Heater is designed for efficient heating in aquariums ranging from 15 to 50 liters. With a compact design and the ability to control temperatures between 20-34℃, it is perfect for both fresh and saltwater environments. The heater features a digital LED controller for easy temperature monitoring and adjustment. Technical specifications Power: 50W Temperature range: 20-34℃ Temperature control accuracy: ±1℃ Minimum water level: 3.5cm Suitable for aquariums: 15-50L Installation Equipped with 4 strong suction cups for secure attachment inside the tank. Can be placed on the bottom of the tank, ensuring it is fully submerged in water. Ensure the bottom of the heater is not buried under sand or gravel. Usage Ideal for small aquariums and turtle tanks. Monitor the digital display for real-time temperature readings. Adjust the temperature by pressing the control button, with each press increasing the temperature by one degree.