SN520A 3.5 inch Screen 1.0MP Security Camera Digital Peephole Door Viewer, SN520A

1. Built-in security camera
2. 3.5 inch HD display screen
3. 1.0MP professional security cameras
4. 130 Degrees wide angle
5. 4 x AAA battery powered
6. Support door thickness: 35-110mm
7. Door hole diameter: 14-28mm