package led card with static free bag and inner box bubblesmall carton contains one piece of led card, size:23x20x6cmbig carton contains at least 4 pieces of led card and other parts, like HUB and ribbon cable. size: 23x20x12cm
Change new card within one month, need to make sure the Hardware does not broken.
free maintainence for card for one year but not included the CPU-core board.
Always free technical support for customers.