MUL-T-LOCK SynerKey Duplication Specialty Keys and has a 23 cubic

and has a 23 cubic Ft

and the mounting hardware is included

72 cubic feet of interior space

Operates on 4 AA batteries (included)

MUL-T-LOCK SynerKey Duplication Specialty Keys and has a 23 cubicMechanical & Electronic access in one key. MUL T LOCK SynerKey a mechanical key with a key head that houses transponders for electronic access control systems. Allows users to conveniently use a single all in one key for opening both mechanical cylinders and doors secured by RFID access control systems. Keys, tags, cards with todays complex High Security systems, users often need an entire collection of opening devices just to walk through one