... with SD card 3. DIY 4. battery power supply DIY peephole camera door viewer, taking picture with SD card memoryProduct Functions ... door structure, while its installation and it is DIY. The peephole viewer is a really useful high-tech home security product ... ~55mm6. Door Thickness: 45mm~90mm7. Accessories: Base Flange, Tightening Tool, Peephole, User Manual, National Warranty Card8. Size: 146mm x 90mm x ...