Features: This energy efficient underwater water pumps features a brushless motor and ceramic shaft cores, delivering powerful water flows with 30% lower energy consumption than traditional pumps for long lasting durability. Engineered with noise reducing brushless technology and IP68 waterproof casing, it operates quietly under 40dB while maintaining stable performances in marine environments up to 35°C. Ideal for aquarium enthusiasts, garden irrigation specialists, and homeowners seeking low maintenance water circulation solution for indoor/outdoor applications. Perfectly adapts to fish tanks up to 500L, outdoor fountain installations, hydroponic systems, and emergencies basement drainage scenarios with its compact 6.3".7" erosion resistant plastic housing. The lightweight 2.6lb design integrates quick connection fittings and adjustable flows nozzles, enabling effortless installation in buckets, ponds, or water containers without specializes tools. Specifications: Component : Plastic Type: DC12V/DC24V(optional) Size: about 49x60.7mm/1.92x2.38inch Package Includes: 1x Motor underwater pumps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.