Height: 8.000 Length: 6.000 Diameter: 1.250 Quiet and power packed! Chrome colored vibrating bullet measures 2" long by .75" in diameter. The bullet plugs into the 2-speed battery pack using a versatile plug-in jack. Battery pack needs 2 AA batteries for vibrations and has an EZ-Grip ergonomic shape. Go balls-out with the Ballistic Bullet!