Hammerdrill Voltage 20V Cordless Drill Class Compact Chuck Size 1/2 in Drilling Capacity in Concrete 1/4 in Drilling Capacity in Wood 3 in Number of Speed Settings 2 Number of Clutch Settings 15 + Hammer Blows per Minute 34 000 Maximum Blows per Minute 34 000 bpm Minimum Blows per Minute 0 bpm Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool (1) Battery Battery Capacity 2.0 AH