The Z210 and Z210E are ideal for cleaning small, congested areas. These compact units are ultra quiet and provide the operator the option of cleaning anytime without disturbing the occupants in the facility. These machines are designed to handle the toughest, deep cleaning tasks. The Z210 comes equipped with two maintenance-free lead acid batteries for reliable, productive cleaning. The Z210E is equipped with a 65 ft. self-recoiling cord to make cleaning easier and hassle free.