... Name: 7 inch color LCD video intercom doorbell;Type: One to one indoor, one outdoor unit>;Uses: Suitable for luxury ... /right to get clear image. Handfree intercom. Monitor the view out of the door. Multi melody rings for selection. Unlock the ... ) 108 × (W) 157 × (D) 46mm;11, the indoor unit Installation: Wall-mounted, display type;12, outdoor installation: wall-mounted. Package Including7-inch ...