The M18 FUEL Drywall Screw Gun w/ Collated Attachment (M18FSGC-0) is faster than corded, features auto start functionality and delivers maximum runtime. The POWERSTATE Brushless motor spins at 4,500 RPM resulting in faster productivity. With REDLINK PLUS Intelligence, MILWAUKEE's auto start feature automatically starts the motor on contact with drywall providing less noise between screws and longer run time. REDLITHIUM-ION 5.0Ah batteries (sold separately) power the M18FSGC-0 to deliver up to 64 sheets on one charge. The M18 FUEL Drywall Screw Gun w/ Collated Attachment delivers the balance and weight desired by professionals for all day use.