Show To Go: In this mode, the smart phone will act as a card to simulate the traditional proximity card and it get close enough to the bluetooth reader. Shake To Go: When you shake the smart phone, it triggers a connection to the bluetooth reader. Door will be unlocked when user has already been authorized. Other functions: - Background mode to allow user to unlock the door without unlocking the smart phone - Direct mode to allow automatic unlock when user is walking toward the door. - Passwor