Lithium Ion Battery holds a charge for up to 18 monthsThree-position handle lets you work in tight spacesSpindle lock allows manual screw driving and greater controlForward and reverse switch for easy screw driving and screw removalIncluded Components: Li2000 Screwdriver, (2) Hex Shank Screwdriver Bits, ChargerLithium Ion Battery holds a charge for up to 18 monthsThree-position handle lets you work in tight spacesSpindle lock allows manual screwdriving and greater controlForward and reverse switch for easy screwdriving and screw removal