Home Visual Doorbell Digital Door Eye Viewer Camera 3.5 inch LCD HD Screen 120 Degrees Wide Angle View for Home Security System NOTE: This is a peephole viewer without any bell button. It can only be viewed with images outside the door. It does not support any memory card, neither take pictures, or intercom. Features: 3.5-inch LCD color screen. OV Industrial High Definition Color Image Sensor. 120 degree actual viewing angle. 24 hours monitoring. Ultra-thin body, stylish and beautiful. Security camera brings more reliable protection to your home and improve your life quality. Easy to learn to install in 3 minutes, no need to install workers, no special tools, saving time and effort and saving money. Specification:Type:Security CameraMaterial: Zinc AlloyType: Digital DoorbellLCD screen: 3.5 inchSensor: 2 Mega CMOS SensorReal view angle: 120 degreeFunction: Energy saving, Low Power AlertPower supply: 4pcs AAA batteries(not included)door hole diameter: 14-28 mmDoor Thickne: 35-110 mmIndoor device size: 120x62x20 mmDiameter (camera outdoors): 30 mmNet weight: 200gPackage List:1 x Outdoor Unit1 x Indoor Unit1 x Bag of Screw1 x Metal BracketNote:Please allow 1-3 CM differs due to manual measurement.This product doesn't support night vision. Megapixel:With a profeional security camera, you can restore picture details better, giving you a great visual experience. 120 Wide-angle Lens:Equipped with a 120 wide-angle lens, clear insight into the details outside the door to reduce safety hazards. Fashionable design:Fashionable and claic design, simple features, it is suitable for European and American aesthetics. Support 3.7V 4*AAA Batteries (Not Included). Zinc alloy outdoor sub-machine:Zinc alloy material is vandal-proof, it can prevent human damage to the maximum extent.