Welcome to our store13.5inch LCD color screen. 2OV Industrial High Definition Color Image Sensor. 3120 degree actual viewing angle. 4Security Peephole brings more reliable protection to your home and improve your life quality. 5Ultrathin body, stylish and beautiful.Product Specification:1. The product is installed at the position of the door's eye hole on the door, replacing the optical door's eye door mirror, Clearly display the image outside the door on the screen of the host computer inside the door, allowing the owner to see the visitors outside the door clearly at home, and can take pictures manually.2. The outdoor unit replaces the traditional optical cat's eye, no need to stick to the eyes, the viewing range is large, and it is not limited by height, which is suitable for the elderly and children.Features:3.5-inch LCD color screen.OV Industrial High Definition Color Image Sensor.170 degree actual viewing angle.Security Peephole brings more reliable protection to your home and improve your life quality.Ultra-thin body, stylish and beautiful.Easy to learn to install in 3 minutes, no need to install workers, no special tools, saving time and effort and saving money.Type: Security Digital doorbell PeepholeMaterial: Zinc AlloyType: Digital DoorbellLCD screen: 3.5 inchSensor: 1 Mega CMOS SensorReal view angle: 170 degreeFunction: Energy saving, Low Power AlertPower supply: 4pcs AAA batteries (not included)Door Hole Range: 14-28mmDoor Thickness Range: 40-100mmKeyword: digital door viewerPower source: 4pcs AAA batteriesPackage List:1 x Outdoor Unit1 x Indoor Unit1 x Bag of Screw1 x Metal Bracket