The Ring Intercom by Amazon is a white intercom system designed for seamless apartment access. With smart home compatibility with Amazon Alexa, this model from Ring offers convenience and security for residents. The intercom allows for easy communication and control within the apartment complex, making it an ideal choice for those looking for a reliable and modern solution for their housing needs. Follow on screen instructions for each manufacturer link. The device is wireless (no power line) just use any ring battery. However it does connect to your intercom phone via 4-6 wires depending on handset in your flat or apartment so needs to be mounted next to the handset. Last photo shows how we have out downstairs setup. Extremely easy setup in a mater of minutes.