The quality DoorBird IP Video Door Station D1101KH Modern, flush-mount is the effective solution for your house entrance act as a doorbell that easily connects to your smartphone and talk to your visitor – anywhere you are. The advanced features like Automatic door buzzer, HDTV Vid, Motion sensor with 4D technology, Free visitor history, Light sensor, Noise reduction and echo cancellation (AEC, ANR), Individual action schedules, One freely configurable bi-stable latching relay, Easy connection to the network, Geofencing, Easy self-install, Wi-Fi enabled, Night vision with 12 Infrared LEDs, Call button with backlit nameplate, Open API for integration of third-party, video and audio call on smartphones.