The M12 FUEL 1/4" Hex Impact Driver has Fast Driving Speed, is More Compact, and provides Maximum Workspace Visibility. The POWERSTATE Brushless motor delivers the fast driving speeds in the subcompact class for maximum productivity. Being only 127 mm in length, allows for greater access in tight spaces and overall portability. Tri-LEDs surround the bit accessory with brighter lights and less shadows providing maximum workspace visibility. The REDLINK PLUS Intelligence delivers top of the line thermal performance allowing more work to be completed. It offers 2.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below -18°C. Its compact design fits in tight work spaces and reduces user fatigue.Managed by Milwaukee's exclusive REDLINK Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Power up your M12 RED LITHIUM and M12 Lithium-Ion batteries in less than an hour with the M12 Lithium-Ion Charger. It communicates directly with the battery pack to manage charges and features an easy-to-load design. The charger’s slim profile requires little bench-top room, while the pass-through plug conserves valuable outlet space. Monitor battery charges for all of your M12 cordless tools with the onboard indicator light.