Mian Features:
1. Sine Wave Silent Technology, Noise less than 40dB;
2. Default with water shortage and stuck protection functions;
3. Brushless DC motor, Magnetic Driven, Small size & High Efficiency;
4. Long time continuous working, lifespan more than 20000 hours;
5. Safety - no spark, Explosion-proof, IP68, 100% waterproof;
6. Can be used to pump water, oil, acid and alkali solution.