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: Black Size: Approx. 106*37*64mm Material: Plastic Net weight: Approx. 218g Inner tube diameter: Approx. 15mm Transmission shaft diameter: 8mm round shank Working temperature: Approx. 5-49 degrees Celsius(41-120degrees Fahrenheit) Direction of rotation: Clockwise Package included: 1*Drill Pump 2*Hose Clamp 2*Connector includes: 1*Drill Pump 2*Hose Clamp 2*Connector.