High/low power switch enables user to conserve battery by tackling routine cleaning on low, then switch to high for deep cleaning. Clean with the longest runtime, approximately 101 minutes on low and approximately 73 minutes on high. This top-of-the-line commercial battery-powered backpack comes standard with 14" Xover® multi-surface floor tool, two-piece wand, 5" upholstery tool, 3" dust brush and 17" crevice tool. Working without restrictions means going wherever you need to go to get the job done. By cleaning at a rate of 30% faster than a corded backpack and 5 times faster than upright vacuum, the GoFree™ Flex Pro II will save you time and money.