More Power. More Robust.Affordable: Bosch Quality at affordable price!Durable: Designed with Robust Housing and Battery Cell Protection!Highly Serviceable: Motor has changeable carbon brushes for easy maintenance and serviceability!Why this tool?Changeable Carbon Brushes: Extends the lifetime of the motor!Electronic Cell Protection: Protects the Tool and Battery!Tool Status Feedback: A blinking LED lets you know if the tool has been cut off to protect itself due to Electronic Cell Protection or current overload.