20 V MAX Li-ion Cordless motor that delivers superior performance and maximum run time. It ensures balanced weight, ergonomic D-handle with 360-degree auxiliary handle, and protected IQV 20 battery configuration with power for a full day's work. The offset angle attachment delivers precise screwdriving close to edges. 4-Mode Drive Control provides you with unmatched control in various fastening applications Modes gives you precision and control for any application. From brake calipers to valve covers and everything in between, there's no need to switch tools. To change the modes, it is a single-handed operation.