Makita XDG01Z 18V LXT Lithium-Ion Cordless 1/4" Die Grinder, Tool Only Compact barrel grip design and weighs only 4.4 lbs. for easy handling Slide switch with lock-on for operator convenience Vent slots designed to direct exhaust air away from the user L.E.D. light flashes red when it is time to recharge the battery Built-in L.E.D. protection circuit with over-torque control protects the motor