The MILWAUKEE MX FUEL Backpack Concrete Vibrator provides consistent starts and the most reliable pours with the power to push up to 2-1/2" heads, no gas headaches, consolidating up to 70 yds³ per charge with a 1-1/2" head and 7' shaft. The POWERSTATE Brushless Motor delivers the power to push up to 2-1/2" head at over 11,000 VPM for optimal consolidation, even in the stiffest concrete. The MX FUEL battery pack provides instant power for the Backpack Concrete Vibrator and requires no regular maintenance, less noise, and zero emissions for a safer workspace, indoors or outdoors. The push-button start delivers instant power, eliminating the repetitive motions of a pull start to reduce downtime, allowing users to get jobs done faster with the power and runtime they expect. The modular design allows users to easily remove the backpack harness for walls and columns. This cordless concrete vibrator can accept whips up to 21 ft long without sacrificing power. The wireless remote (included) gives users the ability to turn the machine on from up to 30 feet away for more freedom when using long whips. The MX FUEL Backpack Concrete Vibrator is ONE-KEY Compatible to track, manage and secure their equipment from their mobile device or computer using the industry's largest Bluetooth community tracking network. Includes: (1) MX FUEL Backpack Vibrator (MXF371-2XC), (1) Remote (3701), (1) MX FUEL Charger (MXFC), (2) MX FUEL XC406 Batteries (MXFXC406)