Accessory storage for lances and trigger gun. Onboard detergent tank makes cleaning with detergents such as Karcher's SoapPacs a snap. Total stop function on trigger gun: Motor only runs while you spray, reducing noise and power consumption. The DirtBlaster spray wand is good for heavily-soiled brick, stone, concrete, metal and other non-delicate surfaces. For less intense cleaning, use the adjustable Vario Power Spray (VPS) wand: Simply dial up the amount of pressure you wish to use and twist to the lowest setting to automatically apply detergent. Maintenance-free, induction motor. Auto shut-off extends pump life. 6 in. wheels for easy maneuverability.