High quality!wired doorphone

New Touch 7inch video door phone 1camera to 1monitor 1camera to 2monitors 1camera to 3monitors 1camera to 4monitors Advantage: Touch button Super Thin Design High-Level Black Monitor7 inch TFT color display screen, clear vision and voice Video intercom DIY installation ,Easy to operate Suitable for Every Home Description 7” color TFT LCD panel display 1 camera support with 1 monitor Camera can be CMOS and CCD ABS camera Remote unlock the electornic lock Monitor the external view of outdoor 3pcs music for referenceVolume adjustable 4-wired cable for connection the camera and Monitor Hand free intercom,clear voice Where to used: Can be used to every home , multi-departments or villas,appartments Why to choose New super thin design ,also Touch Button ! Black shape look wonderful