Cdr entry-level 7 100 dollars a set. According to relevant information, the price of entry-level CDR is $7 100, and the annual software upgrade cost is $ 1000, while the professional version is $ 18000. The price of CDRs produced by Kia, Hyundai, Subaru and Mitsubishi is also $6,300-7,000, and software maintenance fees are paid every year. Tesla is also in the North American market. EDR is commonly known as black box, that is, automobile event data recording system. The information recorded by EDR can reproduce the accident process and be used for automobile accident analysis.