Need a little extra memory for your all-in-one XR9 MDVR? Zone Defense allows you to easily upgrade and/or replace your secure digital (SD) memory card.  These SD cards work with Zone Defense XR9. (Please see ASSC.ZD.SD.xx for all other Zone Defense MDVRs/Black Box). The Zone Defense Micro SD card is available in various sizes:

• 32 gig (ASSC.ZD.MSD.32)
• 64 gig (ASSC.ZD.MSD.64)
• 128 gig (ASSC.ZD.MSD.128)