Detailed Product Description SC-4802E 3.6V/4.8V Cordless ScrewdriverMetal gear, Single speed, No load speed 160rpm, Bit holder, With brake, Spindle lock, Forward/Reversible, Softgrip handle for comfortable and easy use, LED flash light for use in the dark areas, Using 4X'AA' size Alkaline batteries or 4X'AA' size Rechargeable batteries.