battery car washer, portable car washer, multifunction washer for cars, windows, water saving, environmental protection STANDARD CONTENTS1. 16L ... CIGARETTE LIGHTER CABLEOPTIONAL: BATTERY, (IF U NEED BATTERY INSIDE, THE WASHER COULD BE WORKED ANYWHERE WITHOUT THE POWER SUPPLY.voltage 12Vrated ... 0.4-0.6Mpamax. flow rate 3.4L/min Car Washer