18V transfer pump with 3.4 kg in weight, it's lighter than other corded transfer pumps with an equal performance With a flow rate of 1817 l/h, it can deliver 908 l of transferred water with one M18™ 5.0 Ah battery charge REDLINK™ intelligence can recognise when the tool stops moving water and automatically shuts itself off to avoid dry pumping The tool's flexible impeller and powerful motor generate a lift height up to 5.5 m and a head height up to 23 m ¾″ BSPT male thread reception for any standard water hose available. For the inlet, a hose with 19 mm inner diameter is recommended, for optimised performance To be used for water, clear of debris only Flexible battery system: works with all MILWAUKEE® M18™ batteries