Stalwart 3.6V Cordless Screwdriver with 11 Bits Driver Voltage: 3.6 Volts (DC), AC Adapter Input Voltage: 120V (AC) AC Adapter Output Voltage: 6V (DC), No-load speed: 250 RPM, Forward and reverse Slotted drivers: 3, 4, 5, 6, 7, Drivers: T10, T15, T20, Philips drivers: 1, 2, 3 Charging Cord Length: 69 inches, Dimensions: 7.75 x 1.625 x 1.625 inches Charging Time: 3-5 Hours (max 7 hours)