Home Garden Water Pump, Self Priming Mini Portable Water Pump Electric Borehole Pump with 6.35mm Shaft EASY TO USE?: This self-priming borehole pump is designed to work with corded or cordless drill, fits most electric drills; Converts virtually any drill into a high capacity pump capable of emptying sinks, aquariums, pool skimmers and much more. QUIET DESIGN AND PERFECT MOTOR?: Reliable and durable motor never produces much noise, giving you a quiet environment. It can raise the water column up to 3 m (1.18 in). The lifting height is a maximum height of the water rising, after connecting the water pipe to the nozzle (make sure the joint is well sealed). LARGE FLOW?: performance stable and high efficiency, easy installation. Our mini pump is impermeable to liquids, which makes it safer. Our aquarium filter pump is designed with mini size and light weight, easy and convenient to use. ADJUSTABLE WATER VOLUME: Suitable for use with an electric drill with a power of 350?W or more. Different powers correspond to different water flow rates. The correspondence between the volume of electricity and water can be found in the PRODUCT DESCRIPTION. SMALL SIZE?: 124?mm?x?109?mm?x?79?mm/4.92?in?x?4.21?in?x?3.09?in?; Internal diameter : 15.8mm/0.62in; Outside diameter : 21mm/0.83inch. Small size, light weight and portable, convenient installation; This drill-powered electric pump is suitable for home, garden and outdoor use. Note: The data is manual measurement, please allow 1-125cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.