EASY TO USE: This self-priming drill pump is designed to work with a corded or cordless drill, fits most electric drills; Converts virtually any drill into a large capacity pump capable of emptying sinks, aquariums, pool skimmers and much more. QUIET DESIGN & PERFECT MOTOR: The reliable and durable motor does not produce much noise, giving you quiet environment. It can raise the water column up to 3m (1.18in). Lift height is a maximum height the water rises, after connecting the water hose to the nozzle (Make sure the joint sealed securely and tightly). LARGE FLOW: Stable performance and high efficiency, easy installation. Our mini pump is impervious to liquid, making it safer. Our aquarium filter pump is designed with mini size and light weight, it is easy and convenient to use. ADJUSTABLE WATER VOLUME: Suitable for use with electric drill with a power of 350W or more. Different powers correspond to different water discharge. The correspondence between electricity and water volume can be found in the PRODUCT DESCRIPTION. SMALL SIZE: 124mmx109mmx79mm/4.92inx4.21inx3.09in; Inner Diameter: 15.8mm/0.62in; Outer Diameter: 21mm/0.83in. Small size, light weight and portable, convenient installation; this electric drill operated pump is suitable for home, garden and outdoor use. Product Description Water Pump for Home Garden, Mini Portable Self-Priming Water Pump Electric Drill Pump with 6.35mm Shaft Specification: Color: Black Material: Engineering Plastics Product Size: 126 x 63mm Pump Shaft: 6.35mm Axe Shank Water Inlet/Outlet Inner Diameter: 16mm Water Inlet/Outlet Outer Diameter: 19mm Working Temperature: 5C-49C Fit: For Electric Drill Precautions: 1. In order to achieve optimal priming and long service life, apply a smear of lubricating oil in the pump inlet before use and rinse with water after each use. 2. Ensure the inlet pipe is airtight and as short as possible. The inlet pipe should not exceed 9 ft (2.75 M). 3. When pumping abrasive liquids or liquids with solids, please attach a strainer to the inlet to extend the life of the pump. 4. It is recommended to mount the pump to a surface for safety and ease of use. 5. Mount and start the drill. Look at the inlet tube to be sure fluid is drawn into the pump in 15-20 seconds. If not, check that the inlet tube is correctly mounted to the inlet. 6. No dry running. If the pump does not prime, check that the hoses are not kinked or clogged. 7. It is recommended to set the rotating speed between 1500rpm - 3000rpm. The faster the speed, the higher the flow and lift. Package Including 1 x Drill Pump 2 x Hose Clamps 2 x Bracket 2 x Screws