Digital peephole

Viewing Experience Ultra-thin body, stylish and beautiful. Cat eye hole, suitable for any door thickness. The display monitor installs directly into the interior of your peephole giving you easy access to your footage. This allows everyone to instantly see who’s at the door. magic eye LCD screen: 3.5 inch Sensor: 2 Mega CMOS Sensor Real view angle: 120 degree Function: Energy saving, Low Power Alert Power supply: 4pcs AAA batteries (not included) door hole diameter: 14-28 mm, Door Thickness: 35-100 mm Indoor device size: 120x62x20 mm, Diameter (camera outdoors): 30 mm It can be installed easily in 3 minutes.  No need to hire anyone.  It installs with two screws. Step 1 Step 2 Step 3   Viewing Experience Ultra-thin body, stylish and beautiful. Cat eye hole, suitable for any door thickness. The display monitor installs directly into the interior of your peephole giving you easy access to your footage.