The M18 FUEL Drywall Screw Gun is Faster than corded, features auto start functionality and delivers up to 3X longer run time than other cordless competitors. The POWERSTATE Brushless motor spins at 4,500 RPM's 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 3X longer run time. REDLITHIUM 5.0Ah batteries the drywall gun delivers up to an industry leading 64 sheets on one charge. The M18 FUEL Drywall Screw Gun delivers the balance and weight desired by professionals for all day use. POWERSTATE brushless motor delivers 4,500 RPM's to provide faster than corded productivity Auto start mode - when tool is locked-on the motor automatically starts on contact with drywall resulting in less noise between screws and 3x longer run time REDLITHIUM 5.0Ah battery delivers 64 sheets per charge and the 2.0Ah delivers 27 sheets per charge Ergonomically designed to be light weight, balanced and comfortable for continuous use Belt clip included Includes: (1) 2866-20 drywall gun, 91) belt clip, (1) PR2 bit Compatible with all M18 batteries and chargers Part of the M18 system, featuring over 250 plus tools