Connected doorbell and video door phone - Universal - 3.5 inch color LCD screen, digital cat eye, 120 degree voyeur seat, door eyes, door bell, camera, 24 hour monitoring | doorbell (black) Universal Highlights 3.5 inch color LCD display, digital cat eye, 120 degree voyeur seat, door eyes, door bell, camera, 24 hour monitoring | Doorbell (Black) 3.5 Inch Color Screen Digital Cat Eye 120 Degree Pethole Viewer Door Viewer Door Door Camera with 24 Hours Monitoring | Sonnebell (Black) Features: Mini outdoor camera 3.5 inch LCD color screen High-definition industrial color image sensor 120 degree effective viewing angle 24 hours monitoring Features: Type: Peephole Material: zinc alloy Type: Digital peephole LCD screen: 3.5 inch Sensor: 2 mega CMOS sensor Function: power saving, low power alert Power supply: 4pcs AAA batteries (not included) Door hole range: 14-28mm Door thickness: 35-100mm Keyword: Digital Door Viewer Door hole diameter: 14-28mm Door thickness: 35-100mm Indoor device size: 120x62x20mm Diameter (outside camera): 30mm Net weight : 197g