... 2,High-resolution image 3,2.2" TFT LCD screen 4,door safety viewer 2.2" TFT LCD Door peephole viewer system ... lens, it is easy to be peeped.3. Digital Electrical peephole plays an important role in home ... anti-theft door monitor and it is composed of digital camera, mainframe, display screen. It collects images by ... , take photos . In fact, it is a digital camera. It solves the problem of the old with ...