Batteries:: 4 AA batteries required. Included Components: Yale Assure Lock Push Button with Bluetooth, 4 AA Batteries, Mounting Hardware, Deadbolt, Door Template, Installation Manual, Assure App Quick Start Guide.Unlock and lock your home without the hassle of keys using the lock keypad or Bluetooth. Backlit keypad with durable buttons. Comes with 2 physical keys for peace of mind. Share digital keys with people you trust using the Yale Assure app. Never wonder if you forgot to lock the door, just enable Auto Relock to ensure the door locks behind you. Secure your home with this Yale Real Living electronic lock with Bluetooth and enjoy the convenience of unlocking and locking your door using the backlit push button keypad; you'll never have to carry around your keys again. Create unique pin codes for friends and family and remove codes whenever you need to and share digital keys from the Yale Assure app. The lock is Grade 2 certified and backed Yale, one of the world's best known brands in the lock industry that's been securing homes since 1846, ensuring that your home and family is always safe. The lock can be upgraded with a Yale Network Module to integrate into most home automation and security systems so that you can control and monitor the lock from anywhere. The item "Yale Security YRD416-NR-619 Assure Lock Push Button Deadbolt with Bluetooth" is in sale since Friday, October 12, 2018. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware". The seller is "dvdsandmore56" and is located in CA. This item can be shipped worldwide.