FeaturesCompact barrel grip design and weighs only 4.4 lbs. with battery (battery not included) for easy handlingSlide switch with lock-on for operator convenienceVent slots designed to direct exhaust air away from the userBuilt-in L.E.D. light provides overload motor protection warning due to over-torque and low battery recharge warningSolid aluminum housing for added durabilityRound-shaped collet nut reduces the possibility of damageStepped neck for working in tights spacesEquipped with Star Protection Computer Controls鈩?to protect against overloading, over-discharging and over-heatingRapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature (battery and charger sold separately)Rapid Optimum Charger has a built-in fan to cool the battery for faster, more efficient charging (battery and charger sold separately)