VerRich Micro Water Pump Size: L6.3”x W3.94”x H2.36”(16*10*6CM);Working power supply current: 5-6A;Rated power:70W;General Working Water flow is 3.5-4L/Min; Max Water Flow is 6L/Min Connector:Two Straight connector;Inlet/outlet caliber: 3/8" (10mm),suggest use with 10*6.5 MM/12*8MM hose.Comes with Two 304 Stainless Steel hose clamp to fix the hose Intermittent work:This Diaphragm pump could work constantly for 30-60Minutes, and need to take a rest for 10-20 Mins Use Widely：Smartflow Self Priming Water Pump.Built-in pressure switch, it automatically turns on and off as you turn your tap on and off. Widely Used in Motorhome,Car Washing,Garden Watering, spraying for farm chemical, House Cleaning,Boat,Caravan,etc NOTE:Little water to be found inside this pump is normal, it is the remain from our test before packaging