Milwaukee M12CD-202C Screwdriver 2 x 12v x 2Ah REDLITHIUM Batteries M12 FUEL Impact Wrench designed and built round a brushless POWERSTATE motor for up to x10 longer motor life, up to x2 more power and up to x2 more run-time. The REDLINK PLUS intelligence system delivers advanced digital overload protection for the tool and battery uniquely enhancing the tool performance under load plus the REDLITHIUM battery pack provides superior pack construction, electronics and fade-free performance delivering more run- time and more work over the life of the battery. Other features include individual battery cell monitoring optimising tool run-time, 1/4" hex chuck quick easy one handed bit changing, fuel gauge displaying remaining charge and a bright LED workspace job light