Yale Access Bluetooth module allows lock to communicate and be controlled via a Smart Phone (within Bluetooth range of the lock) using the YALE Access App. 

Can be paired with Yale Access Connect Wifi Bridge to operate lock remotely from anywhere

• Compatibility: Compatible with  YDM 4115 A , YDM 4109 A, YDR 41 A, YDD 424 A, YDM 3115 A, YDM 4109 A_RL, YDG 413 GL, YDR 50G A,
• Set your locks location with the App and phone will prompt you to unlock your door when you approach it.
• Add or delete codes, cards or fingerprints (depending on your model) without using the lock keypad.
• Manage authorization including user codes and set up visitor/ one time codes from your phone
• Monitor the entrance, alarm and register history of the lock from your phone