FREE SHIPPINGNew in original factory box. Included batteries may not work because this item is old stock. Batteries sealed not in unit.DEFCON 1 Notebook Computer Security System Alarm SEL0400.The DEFCON 1 Notebook Computer Security System Alarm SEL0400 is a combination lock designed to protect laptops and other valuable electronic devices. With its sleek design and reliable security features, it offers peace of mind for users who want to safeguard their belongings against theft. This unit is a single product from the trusted brand DefCon, ensuring quality and performance for your computer security needs.