Tz CONCIER Universal External Rear Camera Attachment. A convenient attachment that can be easily installed at a fraction of the cost of an original product. Can be used to flush the bolt on the back door and mounted as is. ·■ Confirmation Notes: Includes fixed bolt width: within 1.3 inches (34 mm) / Base camera total depth (height): within 1.6 inches (40 mm) *Compatible with external cameras within the above size *Bolt not included.