Voltage: 6VNo-load speed: 200 rpmForward and reverseSlotted drivers: 3， 4， 5， 6， 7Torx drivers: T10， T15， T20Philips drivers: 1， 2， 3Dimensions: 7.75 x 1.625 x 1.625 inchesRequires 4 AA batteries (not included)Weight:242gWeight included Package:278g