It has a water pump with high pressure. An inlet allows you to connect the device to a water supply, usually a garden hose. Some of the new battery-operated, cordless devices pull water from a bucket.

> battery - 4000MAH
> voltage - 21 V

Best quality Cordless Car Washer / High Pressure Washer 21V supplier in Shuwaikh, Kuwait.

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http://www.baskuwait.com/search/hand-tools