Slide switch with lock-on for operator convenience. Built-in LED (Light Emitting Diode) protection circuit with over-torque control protects the motor. Compact, ergonomic design at 12-1/2" long. Soft grip handle provides increased comfort on the job. LXT Lithium-Ion battery and Rapid Optimum Charger produces 430% total lifetime work with 3 times more cycles. 3-year warranty on tool. Includes cut-off wheel guard, grinding wheel guard, grinding wheel, cut-off wheel. Battery and charger sold separately.