*2.4" LCD visual monitor with one outdoor door peephole,picture pixels is 300000,clear image and LCD screen superior to traditional doorbell,it can show images clearly and smoothly. *Digital electric peephole,also called electric door-eye,which plays an important role in home anti-theft door, it is composed of digital camera and display screen,more accurate and safe. *Easy for installation:DIY, only need a few minutes to install. *Low power remind function:When the power is not enough,the indicator at the right bottom of screen emits light. It shows that we should change battery immediately,very convenient and practical. *Wide users including elder,little children,old men with poor eyesight.Low power consumption:the host is powered by 2*AA batteries(not included) and it is very convenient for changing the batteries., Manufacturer: JOJIDE