Hitachi M12VC 2-1/4 Peak HP Variable Speed Fixed Base Router 11 Amp motor (2-1/4 Peak Horsepower), for precise, controlled cuts 2-stage motor release clamp, for quick and accurate depth adjustments and base changes Nickel plated motor housing, for smooth depth adjustments Electronic speed control, maintains constant RPMs even as load varies Class leading noise level, only 79.5dB for a quieter workshop