Anself Ultra-quiet Mini 4.8W DC12V Micro Water Oil Pump Submersible (Style 3) BLDC motor works smoothly and steadily, with low noise(about 40db). Permanent magnetic rotor and ceramic shaft ensure excellent performance. Low consumption, high efficiency, long working life. With no spark, explosion-proof, it is safe to use. Suitable for fish tank, aquarium, fountain and many other places.