The pressure is only related to the domestic water pressure, no power supply is required, and no electricity is required. If your water hose has a quick connect, our pressure washer wand connects perfectly to it. It's durable and , combined with a leak-proof design, ensures you can use it comfortably for all your cleaning, washing and gardening needs. Our hydrojet high pressure power washer can be used to clean dirt and mold build-up from wood, aluminum and vinyl shutters, concrete sidewalks, wooden decks, brick, stone, rocks, your car, truck, , boat and more. Product Name: High Pressure Washing Water Colour:As Shown Material:aluminum alloy Package Contents: 1 x Water Blue 2 x Nozzles 1 x Black Connector 2 x Spacers 1 x Tape 1 x Blue Quick Connect Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.