The products are Car DVR&＃39;s / Car black box (Dash camera, Mobile DVR)Our company is a manufacturer that develops and manufactures products which have the following functions.The SD cards are guaranteed for 2 years (Really you can use these more than 5 years)The product are guaranteed for 2 yearsNo need to reformat for 5 years.Your video recordings are safe and secure using our SD cards and DVR. Our company continually upgrades the DVR hardware and software assuring you of the latest features and technology available anywhere. As a major OEM for dozens of name brand auto DVRs, we have the experience and ability to meet your needs regardless of order quantity.If you choose our products you will be creating a lot of profits.