digital door viewer with bell on camera 1. video doorbell 2. photo shooting to SD ... 3. DIY 4. Battery power supply digital door viewer with bell on camera, 2.5 lcd screen, photo shooting to SD ... , Tightening Tool, Peephole, User Manual, National Warranty Card8. Size: 146mm x 90mm x 30mm9. Weight: 0.4lbs or 180g