Makita-built brushless motor delivers 12,000 RPM for faster stock removal Automatic Speed Change technology adjusts cutting speed and torque during cut for optimum performance Auto-Start Wireless System (AWS) utilizes Bluetooth technology for wireless power-on/off communication between tool and optional dust extractor AWS capable with Auto-Start Wireless Transmitter (part no. 198901-5) sold separately 2-blade cutter head with double edge carbide blades for added performance and smooth finish