Package Include 4 x DC WATER PUMP. It can take up to 120 L per hour with very low current consumption of 220ma. Just connect tube pipe to the motor outlet, submerge it in water and power it. Make sure that the water level is always higher than the motor Voltage: 3V - 12V; Flow rate: 80-120L/H; Maximum lift: 40-110cm; Nozzle Diameter: 7. 5mm; Length: 8mm It can work in submersible and non submersible condition as it has a nozzle at input and output both do an pipe can be attached at input also. Diameter: Approx. 23mm, Length: Approx. 53mm, Height: Approx. 32Mm