NOS Defcon 1 Notebook computer Security System 105ds alarm Targus Vintage 2002. pocket sized security cable and 105db alarm resettable 4-dugit combination up to 10,000 unique combinations available. easily attaches to your carrying case, luggage or any computer with a security lock slot dimensions 4.8" x 2.2" x 1.25" please see photos for more info and condition thank you