Water Pressure System, 3.5 GPM

12 V DC; Quiet operation; Smooth flowing; Self priming; Integrated pressure switch turns pump on and off automatically when spray nozzle is opened and closed; Can be run dry without damage; Low power consumption; Quick disconnect fittings; 3 year warranty; Connection: 3/8″ BSP, 1/2″ hose and, 1/2″ BSP, 3/4″ hose or US 3/8″ NPT, 1/2″ hose and US 1/2″ NPT, 3/4″ hose. US 1/2″ – 14 NPS