Highlights: Looks like a standard peephole from outside Peephole viewer with large LCD screen Long-lasting Convenient and easy installation Manufacturer Specifications Screen type: TFT LCD Main function: peephole viewer Screen size: 2.5 inch CMOS sensor: 2.0 Mega pixels Lifetime: 1700 peeps Button: ON Power supply: 2 AA batteries Door thickness: 35-57mm (1.38-2.24inch) Color: black and white Barrel diameter: 14mm Viewing angle: 190 degrees Screen dimensions: 145mm x 88mm x 30mm Package List: 2.5 Inch Digital Peephole Viewer with TFT LCD Screen & 2.0 MP CMOS sensor Tightening tool Screw Base flange Peephole English manual This well-designed digital peephole viewer comes with a beautiful large LCD screen that shows faces in details. Thanks to its wide viewing angle of 190 degrees you will be able to notice accurately how many persons are waiting to meet you. Since the world is far from being safe, humankind needs technologies which are able to bring comfort and security. This is the point of having a digital peephole viewer: you will be able to check easily people standing in front of your door! You don't have a peephole or the old one inserted in your door is not suitable for your kids, grandparents or even yourself as no one can see very well who is behind? You worry about your family when you are out because you never know who may come to pay a visit? When you hear the bell ringing simply press the unique button and your visitors will appear distinctly. The time of seeing only weird shapes through old peepholes is over! Especially for those wearing glasses and who have bad eyesight. Moreover it is power-saving since the viewer turns on for 10 seconds only per your request and then shuts down. The free-wiring installation is very easy and will be done in a few minutes with all instructions in the user manual. After set up, the digital peephole will look like a normal peephole, which means the screen is hidden from intruders standing behind your door.