Ivation Multipurpose Portable Spray Washer w/Water Tank - Runs on Built-In Rechargeable Battery, Home Plug and 12v Car Plug - Integrated Roller Wheels Capable Washer is Powered by Rechargeable 12V Battery, Car Port or Home Plug Impressive 60-Watt Diaphragm Motor Pump & Continuous Trigger Nozzle Operating Pressure Maximum is a Gentle 130.5 Pounds per Square Inch Measures 14 Inches x 9 Inches x 21 Inches; Weighs in at Under 17 Pounds - 1 year limited warranty Durable 19.6-Foot Flexible Hose; 4.5-Gallon Water Reservoir Capacity By connecting the 12v Power Cord to your vehicles power port and toggling the Power Switch to the &#039;II&#039; position. By toggling the Power Switch to the &#039;I&#039; position and thus drawing power from the internal rechargeable battery Toggle Power Switch to &#039;O&#039; position. Connect Wall Charger to Charging Inlet Charging Indicator  will light up red while battery is charging, and change to green when it reaches full charge. On a full charge, the internal battery can run for 35 continuous minutes.