12V, NiCad Drill Driver Kit, 24 Position Clutch Prevents Screws From Stripping, Soft Grips Provide Additional Comfort, Slide Pack Battery Provides Easy Installation & Removal Of The Battery, Keyless Chuck Makes Bit Changing Quick & Simple, Variable Speed Reverse For Drilling & Driving Control, Stud Sensor Detects Studs Through Walls Up To 3/4" Thick, Includes: 12V NiCad Battery Pack, Charger, Storage Bag & Stud Finder.