Extra large capacity top full H-10 HEPA filtration vacuum bag, 5 layer micro filtration. Full size motor with lithium ion battery power source has a circuit board so unit does not over charge or overheat. Fingertip contoured on/off switch. Self adjusting head goes from carpet to floors. Non-marking wheels and bumper with anti-microbial bristles on the brush roll. Quick change belt system, side panel easily comes off for easy access to motor and brushroll. Side sweep brushes for perfect edge cleaning against walls and baseboards. Larger rear wheels for easy transport.