Wide range of applications: suitable for aquariums, garden fountains, flowing water crafts, water-cooled air conditioning fan running water, mechanical equipment and other fields. High performance and low noise: ideal power supply for aquarium or fish tank. It is made of high-quality materials, safe, energy-saving and durable. Energy-saving design saves you money while providing an environmentally friendly system. Product size: 3.8 * 5.8 * 4.6 cm