18v, lxt, 3 speed, lithium-ion, brushless cordless impact driver, tool only, no tool or battery include, oil-impulse technology utilizes oil to hydraulically drive impact mechanism for lower noise & increased efficiency, quick-shift mode selector has automatic electronic controller that downshifts & reduces rotation & impact speed prior to driving screw, brushless motor eliminates carbon brushes, enabling motor to run cooler & more efficiently for longer life, efficient brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge, electronically controlled motor efficiently uses energy to match torque & rpm to changing demands of application, 0-1,200/0-2,200/0-3,200 rpm & 0-1,400/0-2,200/0-2,700 ipm, provides user with precise fastening control.
