Enjoy an extra layer of security and protection for your home when you install the Keyless Smart Lock - Silver Nickel. This keyless entry WiFi smart lock features voice control and WiFi capabilities that will allow you to unlock or lock your door remotely while Alexa compatibility allows you to do so close up with your voice. It can be unlocked not only just with your voice or phone but also through the touchscreen keypad or a mechanical key. Its Bluetooth module lets you take your phone out and unlock the door with one step. The item is manufactured out of durable zinc alloy.