The Sonic Screwdriver is a versatile tool used by the Doctor for opening up hatches, panels, controls, and more! This is a highly-detailed replica of the Trans Temporal Sonic Screwdriver. This sonic screwdriver features eight (8) authentic sound effects. It is also compatible with the “Personalize Your Own Sonic Screwdriver “ set. Measures approximately 8-inches long & requires three (3) L1154 batteries (included). Sure to make a great gift for any Doctor Who fan. Great for costumes, dress up, cosplay, and role playing! Officially licensed BBC/Doctor Who merchandise.