Dremel Cordless Electric Screwdriver Kit, Tool Only/Battery Included: Battery Included, 3.6 V, Battery Capacity: 2 Ah, Chuck Size: 1/4 in, Chuck Type: Keyless, Includes: (1) Battery and (1) Charger, Motor Type: Brushless, 360 rpm, Clutch Settings: 6, Battery Type: Lithium-Ion