Small cordless screwdriver with charger. Accepts 1/4 inch hex bits.
Features: 4 volts DC, lithium-ion battery; charges in 12 hours; single speed, reversible; 180 rpm (no load); 12-position clutch/torque adjustment ring; 45 in.lb torque; speedload system
Charger is 4.5VDC, 160mA, center pin negative.