1Optimized submersible pump components to achieve the pump silent operation, low noise. 2Good insulation, high temperature resistance and anti-creeping, durable and long service life. 3Ceramic rotor, wear resistance, more power-efficient and quieter. 4Strong fixation suction cup design, super strong suction, not easy to harden, long life. 5Small size, not only easy to hide or camouflage, but also easy to remove and clean. 6Suitable for small and medium size aquariums, table fountains, water gardens and hydroponic agricultural systems.