Makita LXDG01 18V LXT Lithium-Ion Cordless 1/4 inch Die Grider Kit Makita-built motor delivers 25,000 RPM for faster grinding Compact barrel grip design and weighs only 4.4 lbs. for easy handling Slide switch with lock-on for operator convenience Built-in L.E.D. protection circuit with over-torque control protects the motor Tool not equipped with Star Protection- only compatible with Makita 18V LXT 3.0Ah battery (BL1830) Makita built motor develops 25 RPM's for faster grinding Compact barrel grip design Slide switch lock on for operator convenience Vent slots designed to direct exhaust air away from user LED light flashes red when it is time to recharge the battery