Drill/Driver Kit, Voltage 12V DC, Battery Capacity 2.0Ah, 2.5Ah, 4.0Ah, Brushless Motor Yes, Chuck Size 1/2 in, Clutch Style Mechanical, Handle Type Pistol Grip, Tool Weight 2.5 lb, Includes (1) M12 REDLITHIUM 2.5Ah Battery Pack, (1) M12 REDLITHIUM CP2.0 Battery Pack, (1) M12 REDLITHIUM CP2.0 Battery Pack Contractor Bag, (1) M12 REDLITHIUM XC4.0 Battery Pack, (1) Shockwave Impact Duty Red Helix Titanium Drill Bit Set-15PC (48-89-4670), Belt Clip, Contractor Bag, M12 Charger