The Nano Key 2.0 is redesigned to work with the NEW Bluetooth 2.0 safes. This Nano Key Technology gives you the quickest access point available to your safe. All it takes is a single press to open the safe. You can mount the Vaultek Nano Key 2.0 under a desk, on a headboard, or even a vehicle console. It can also function as a hidden panic button for immediate access.