Lithium powered screwdriver. Quick and easy bit change with 6 bit tip stored on board. Bits change with a simple slide action movement. Forward/reverse trigger with 230 rpm. Powerful 127 in lbs of torque. Lithium battery maintains charge for up to 18 months. Includes 2 revolving bit cartridges that can hold 6 bit tips each, 12 assorted bit tips and a 5 hour charger.