... Peephole Viewer,wireless peephole viewer,LCD peephole viewer, door peephole viewerThe 2nd Generation Peephole Viewer is a new product and visual camera peephole. ... while its installation and usage are easy. The peephole viewer is a really useful high-tech home ... Thickness: 45mm~78mm7. Accessories: Base Flange, Tightening Tool, Peephole, 2 AA batteries, User Manual, National Warranty Card8. Size ...