Wire Free installation: The XODO Smart Wi-Fi 2k Wire Free Video Doorbell is easy to install and use. It does not require any wired connection ports or cables. You can mount it on any flat surface with the hardware and screw fittings included. You can also adjust the angle and position of the device to suit your needs. 2 Way Talk: The XODO Smart Wi-Fi 2k Wire Free Video Doorbell lets you communicate with your visitors or deter unwanted guests. It has a built-in microphone and speaker that allow you to have a clear and loud conversation with anyone at your door. You can also use the smartphone app to talk to your visitors remotely. Siren Alarm: The XODO Smart Wi-Fi 2k Wire Free Video Doorbell has a siren alarm feature that can help you scare away intruders or alert your neighbors. You can activate the siren alarm from your smartphone app or set it to trigger automatically when motion is detected. The siren alarm can produce a loud sound of up to 100 decibels, which is equivalent to a jet