Brushless motor and engine design provides enough power to drive 3-1/2" nails. Sequential operating mode allows for precision placement and bump operating mode provides the user with production speed. Dual speeds optimizes motor for different nail lengths. Easy access to the nosepiece for the removal of jammed nails. Trigger Lock-Off allows trigger to be disabled when tool is not in use. Stall release lever quickly resets driver blade. Top cap is impact resistant and easy to remove for troubleshooting. Includes DCB101 charger, DCB204 20V MAX XR premium lithium-ion battery (4.0 Ah), no-mar tip.