Do you want to know the visitors who are in front of your door before you open it? If so, this home security video door phone intercom 380TV line outdoor camera and 7 inch TFT LCD monitors SY801M must be a great choice for you.Waterproof and oxidation-proof aluminum alloy makes the outdoor home video security system durable enough for outdoor use. This home intercom must be a prefect safeguard for your family. The security intercom system offers 7" large TFT LCD screen, when the doorbell is ringing, the picture of the visitor will be automatically displayed on the screen of the home video security system. You can even communicate with them without opening the door at all. Electric lock-control function and hand free phone security intercom makes the protection easier.Video doorphone intercom has picture brightness and call functions, meet your different needs. You can finally keep your house safe with the video doorphone intercom. Then take this high quality video intercom home now!