... quietly;energy saving;high efficiency;environment protection; safe, no spark, no vibration, etc. 32-05 Brushless DC water pumpFeature: ... quietly;energy saving;high efficiency;environment protection; safe, no spark, no vibration, very low noise, waterproof, ect.We can ... , run dry protection, over current protection,signal feedback, speed control, ect.All the functions are custormized according to your ...