High quality drill pump- Fine workmanship plastic durable and has a long service life.Feature- Large flow stable performance and high efficiency easy installation.Quick- Pumping speed is fast can pump 20-30 L water per minute(depends on the rpm of drill).Convenient to use and store- Install all the drill chucks you can use the electric drill to get the pump easy and convenient to use. Compact and light weight design portable and easy to store.Flow speed- 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.Notes:Due to the difference between different monitors the picture may not reflect the actual color of the product.Please allow 1-3mm error due to manual measurement. Thanks for your understanding.Specifications:Color: BlackSize: Approx. 126*63mmMaterial: PlasticNet weight: Approx. 218gInner tube diameter: Approx. 15mmTransmission shaft diameter: 8mm round shankWorking temperature: Approx. 5-49 degrees Celsius(41-120degrees Fahrenheit)Direction of rotation: ClockwisePackage included:1*Drill Pump2*Hose Clamp2*Connector includes: 1*Drill Pump2*Hose Clamp2*Connector"