Milwaukee Electric 6546-6 2.4v Cordless Screwdriver Two Speed. 6 position adjustable clutch. Forward/reverse button with switch lock feature. Two speed model. Volts - 2.4 dc only, speed rpm - (high) 400; (low) 200, diameter - 1.4". Standard equipment: two speed screwdriver, 2.4 volt battery pack, 120 volt ac one hour battery charger, with 2 phillips and one slotted bit.