18 V MAX Li-ion Cordless motor that delivers superior performance and maximum run time. The right angle attachment is for tight spaces, and it works with all three other adapters. The offset angle attachment delivers precise screwdriving close to edges. 4-Mode Drive Control provides you with unmatched control in various fastening applications Modes 1-3 gives you precision and control for any application.  These precision features, combined with 3-speed power settings, give users more control for a wide range of fastening tasks – from cabinet screws and deck screws to lag bolts, and much more. It is only 4-5/8" long and ideal for work in tight spaces.