Features: 1.Screen and Camera: 2.8inch high definition screen, 300,000 pixels camera, clearly see all the details outside the door, large viewing range, protect the safety of the family. 2.Wide Visible Range: The camera has 90 degree wide angle design ensures you to see the whole scene outside the door, and maximize your home safety. 3.IR Night Vision: When the surrounding is lowly lit, two infrared lights automatically fill the light, even in the dark night, it can clearly record the situation outside the door. 4.Loop Recording: Built in memory design, support loop recording, when storage space is running out, the system will be deleted the earliest photos in chronological order. 5.Data Storage: With shooting and storage function, it can take photos of suspicious people and back up data in time, which is more secure and practical. specification:Item Type: Home Video Doorbell Material: ABS, LCD Screen Size: 2.8 inches Screen Resolution: 320x240 Camera: 300,000 pixels Viewing Angle: 90 degree Infrared Light: 2pcs 850nm Storage Mode: Built in memory, loop recording Suitable Door Hole Diameter: 14-22mm/0.55-0.87in Suitable Door Thickness: 35-120mm/1.38-4.72in Battery Type: 4 x AAA alkaline battery (not included) PackageList:1 x Screen 1 x Camera 1 x Bracket 4 x Screw 1 x Manual