M12 Fuel, 1/2" Drill/Driver Kit, Powerstate Brushless Motor Delivers Up To 350 IN/LB Of Peak Torque With Maximum Sustained Torque To Complete A Variety Of Applications, Red Lithium Battery Technology, Red Link Plus Intelligence, Optimized Performance & Overload Protection Using Total System Communication Between Tool, Battery & Charger, Onboard Fuel Gauge Helps Monitor The Charge Precisely, Built-In LED Light Illuminates Work Surface, All Metal Ratcheting Locking Chuck Provides Maximum Grip, Bit Retention & Durability, New Contoured Soft Grip Gives Ultimate Comfort During Prolonged Use, Includes M12 Red Lithium 2.0 Compact Battery Pack, M12 Red Lithium XC 4.0 Extended Capacity Battery Pack, M12 Lithium-Ion Battery Charger, Belt Clip & Carrying Case.