... , Digital Intercom for Villa, Intercom System, Video Intercom System, Digital Intercom System, doorphone/intercom/access control, Home Intercom System, Home Video Intercom, Video Intercom/doorbell/entry ... /Night.4.Light source: 6 IR LED.5.External dimension: 160*128mm.6.Installation dimension: 195*115*32mm (flush-mount installation ...