With the BALTER ERA IP app you can comfortably see visitors from your couch, from the garden or from your work place, communicate with them and open the door with a tap of your finger. The video and audio calls from the entrance area can be easily received on all current smartphones and tablets using the BALTER ERA IP app. Even if no one has rung, the BALTER ERA IP app enables easy access to all built-in door stations so that you can keep an eye on your home at all times. Important! The BALTER