Individual outdoor station for setting up a video-intercom system. You can choose between different coloured high glossy indoor units in glass finish from the VDV series. This video-intercom system impresses with its sophisticated, ultra-thin design and excellent voice quality. The system is based on up to 4 outdoor and 4 indoor units can be extended. Regardless of the number of individual components you only need one power supply for powering the entire intercom. Address field and doorbell button of the stainless steel external station automatically light up with darkness.This text is machine translated.