Electronic Clutch Control - helps shut off the tool if the wheel gets into a bind situation Spitfire PROFACTOR performance - delivers power equivalent to a 13-Amp corded grinder and advanced user control Restart protection - helps prevent accidental tool startup if the supply of power is interrupted BITURBO Brushless Technology - featuring a brushless high-performance motor and drive-train system engineered to take full advantage of the additional power generated by CORE18V PROFACTOR batteries (sold separately) Brake system - helps provide a rapid stop of the wheel when the switch is turned off Spiral bevel gears - provide smooth transmission of power to grinding applications Vibration Control auxiliary handle - allows for improved user comfort and control Lock-on/lock-off slide switch - includes lock-on function for extended-use applications Connectivity (module sold separately) - link to connected device via Bosch Toolbox App to customize settings and receive detailed feedback The Bosch GWS18V-13CN18V Spitfire Connected-Ready 5 - 6 in. Angle Grinder with Slide Switch delivers the ultimate combination of performance, control and power in a cordless grinder. This tool is part of the PROFACTOR System, which pairs BITURBO Brushless Technology with a CORE18V PROFACTOR battery. BITURBO Brushless Technology is a high-performance motor and drive-train system designed to deliver power comparable to high-demand corded tools. It features connectivity (module sold separately) to a connected device via the Bosch Toolbox App, to customize settings and receive detailed feedback. The grinder includes other advanced electronics such as Electronic Clutch Control, which helps shut off the tool if the wheel gets into a bind situation. It also has restart protection to help prevent accidental tool startup if the supply of power is interrupted. It features spiral bevel gears for smooth transmission of power, a two-position Vibration Control side handle and slim soft-grip design for additional grip ergonomics.