Dewalt DW618M 2-1/4, Maximum motor HP EVS Router Motor 2-1/4 hp (maximum motor hp), 12.0 Amp electronic variable speed motor provides the power to rout smoothly through the toughest hardwoods Electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start to reduce start-up torque for enhanced control Dust-sealed switch protects against dust ingestion for longer switch life Spindle lock button allows for single-wrench bit changes heavy-duty, precision machined, die-cast aluminum base and motor housing for durability and low tool weight; Nickel plated motor housing for a smooth, long-lasting depth adjustment