Wireless Video Intercom System The indoor unit uses a high-definition ... be used in apartments, villas, hotels, offices, public buildings etc.With a fashion and fresh outlook, the view is clear ... 't miss an important meeting.4, visual intercom function: the visit, the doorbell intercom calls, free, clear voice, such as in ... 64 Size 125×93×33Size150×60×35 Wireless Video Intercom for home door YET-WV-2.4CC