1.2 Joule Impact Energy Allows for Constant Drilling Through Dense, Solid Materials SDS-Plus Chuck for Maximum Security and Quick, Tool-Free Bit Changes Dual Functions: Drill and Hammer Modes to Match a Variety of Applications Auxiliary Handle and Anti-Vibration Design Reduce User Fatigue and Provide Enhanced Control During Periods of Extended Use LED Light To Illuminate Work Areas Dust Collection Shroud with 7/8" Vacuum Connection to Control Debris Around the Worksite Brushless Motor Provides Maximum Power, Extended Runtime, and Longer Motor Life.**