3.Flow Rate is about 200L / H; Longest Lift is from 0.4m to 1.5m 2.Mini size, high effciency, but lower power and lower noise 1.This USB is ABS, lightweight and small Very to use 5.Suitable for fish for tank, aquarium, swimming pool, air conditionar, mechanical circulation, ect 4.for power supply is more secure Electromagnetic isolation, waterproof and duable, Manufacturer: Zeizafa