ACCESS HARD TO REACH WORK AREAS: Compact 6.37 in. Shorter in length, compared to the DCD791, tool head only. HIGH BIT RETENTION with 1/2 in. PRO-LEVEL SPEED, CONTROL, AND PRECISION: High-speed transmission with variable trigger and 2 speed settings (0-650/0-2,000 rpm). BRIGHTEN DARK WORK AREAS: Adjustable 3-Position, 3 Mode LED with up to 70 Lumens, including LED spotlight mode which features a 20-minute shutoff function for extended work time in low-light spaces.