Shadow: Accepts writes but reverts adjustments when system goes to slumber (reader can go through and write like a traditional card but alterations are held in RAM and they are misplaced in the event the chameleon goes to rest) I purchased this blue chameleon ultra from Wilson, he transported it https://chameleonultra95173.tkzblog.com/32979358/how-chameleon-ultra-can-save-you-time-stress-and-money