The Bulldog ™ 36 V hammer drill combines the power of corded hammer drills with the convenience of 36-volt wireless technology. The 4-pole motor delivers a striking frequency of 4,100 and features Vibration Control ™ technology which allows more control, while reducing vibration. For users wanting a powerful and mobile tool, this hammer drill offers 36 V combined with a battery with longer running time, user comfort and variable speed reverse gait. It features Electronic Precision Control ™ for smooth starting, Vario-Lock ™ pivoting and KickBack Control to prevent jamming. It has three operating modes: hammer drill, rotation only and hammer only.Power of corded hammers with cordless convenienceVibration Control for comfort and controlKickBack Control to help with bind-up situationsLong battery runtime with included 36V batteriesIndustry-standard 1-1/8 In. SDS-plus® chuckHammer delivers 4,100 BPMThree modes: rotary hammer, rotation only and hammer onlyElectronic Precision Control for smooth startsVario-Lock positioning to rotate the chisel 360°