The Sonic Screwdriver is a versatile tool used by the Doctor for opening up hatches, panels and controls. This faithful copy of the Doctor’s trusty Sonic Device has spring loaded extending action. Pressing the button on the side of the handle activates the LED and Sound FX which operates in CLOSED mode. Flip open the cap at the end of the Screwdriver to reveal an additional button that activates the light and sound effects when it is in full extension OPEN mode. Screwdriver measures 7-inches tall x 1-inch wide. Requires 3x "AG13" button-cell batteries, included. Clamshell packaging. Officially licensed.