Lower guard design improves performance when making bevel and narrow cuts. Two built-in LED lights illuminate the line of cut for increased accuracy. Well balanced design for superior handling and performance. Heavy gauge aluminum wraparound base engineered for improved durability and straighter cuts. Built-in dust blower clears the line of cut for greater accuracy. Technologically-advanced centrifugal fan and baffle system for efficient cooling of the motor. Large and easy-to-read markings on depth and bevel scales. Flat motor housing design increases stability when changing blades. Conveniently located shaft lock for easy blade replacement. AC/DC switch allows for use with alternative power sources. All-ball bearing construction engineered for longer tool life. Double insulated construction.