(1)12V RV Water Pump,(2) 1/2" Barbed Hose Adaptors,(1) 1/2" Male Thread Hose Adptor, (1) Filter Out Debris,(1) User Manual | 12 Volt RV Water Pressure Pump, 45 PSI Pressure Setting, Strong Output up to 4 GPM | The Electric RV Water Pump is Designed with a 12V DC Motor, Can be Powered By Any 12 Volt Battery or Mount to Any Cigarette Lighter Socket in the RV and Camper | The RV Water Pump Works with a Pressure switch,it is Automatic, It Starts if The Tap is Turned On, It Stops if The Tap is Turned off. | It is an Ideal 12V RV Pressure Pump for RV and Camper, Self-priming,Corrosion Resistant and Allows Dry Running