Ball and needle bearing construction. On board LED light illuminates the line of cut. Heavy-gauge aluminum wraparound base. Nonbinding lower guard. Shaft lock for easy blade replacement. AC/DC for use with alternative power sources. Cuts 2-3/8" at 90, 1-3/4" at 45. 5800, 15A, 120V AC/DC. Includes plastic carrying case, 24T carbide tipped blade, and blade wrench.