HALO Wi-Fi Smart Lock is a keyless entry electronic deadbolt featuring SmartKey that allows you to control the lock from anywhere there's an internet connection--no smart hub or bridge required! Using the Kwikset App, you can lock/unlock the deadbolt, program up to 250 user access codes, and receive notifications of your lock's use. This single cylinder deadbolt can be locked or unlocked by using the keypad or key from the outside as well as the turn button from the inside. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.