Description:Fine workmanship, plastic, durable and has a long service life.Large flow, stable performance and high efficiency, easy installation.Pumping speed is fast, can pump 20-30 L water per minute(depends on the rpm of drill).Install all the drill chucks, you can use the electric drill to get the pump, easy an convenient to use.Compact and light weight design, portable and easy to store.The recommended speed is 1500-3500 rpm. The pump head and flow are related to the speed. The higher the speed, the higher the head and flow.1500 rpm, the pump head is about 1.5 meters, the flow is about 15L per minute.3000 rpm, the pump head is about 3 meters, and the flow rate is about 30L per minute.Specifications:Color: blackSize: Approx. 106*37*64mmMaterial: PlasticNet Weight: Approx. 218gInner Tube Diameter: Approx. 15mmTransmission Shaft Diameter: 8mm Round ShankWorking Temperature: Approx. 5-49(41-120)Direction Of Rotation: ClockwisePackage Included:1*Drill Pump2*Hose Clamp2*ConnectorNotes:Due to the difference between different monitors, the picture may not reflect the actual color of the product.Please leaving a message before you give the bad feedback, if the products have some problems.Please allow 1-3mm error due to manual measurement.Thanks for your understanding.