A:AnswerWill that card work? Yes, it should. But is it the best choice for surveillance cameras that use SDHC cards? Probably not since it uses TLC memory whereas for surveillance camera use where data is being rewritten over and over, MLC memory is much more reliable and durable. You will find that sdhc cards that use MLC memory include the Samsung PRO Endurance or the SanDisk High Endurance. Good luck!
A:AnswerThe Nook 7 has expandable memory up to 128gb, look at the info in the link below.
https://help.barnesandnoble.com/app/answers/detail/a_id/3813/~/nook-tablet-7---expandable-memory
A:AnswerYes that is a good sd card for your phone...it is meant to stay in the phone...the adapter is for you to put it into a card reader such as in your PC or laptop to transfer files or if you do not have a micro card slot...