Karcher Modular Series 1800PSI Electric Pressure Washer, K 3.350 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 Use the included dirt blaster spray wand to clean heavily soiled brick, stone, concrete, metal and other non-delicate surfaces For less intense cleaning, use the adjustable vario power spray (VPS) wand; adjust amount of pressure; twist lowest setting for detergents Sturdy wheels permit easy transportation over varied terrain