The US Navy's NeRD Is a secure e-reader that was designed especially for deployed sailors. It runs a custom firmware and cannot be connected to any external device or storage. It comes preloaded with a catalog of reading materials (including classics to contemporary best-sellers).

E Ink display info: 
E Ink display
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ynvisible ink kit - create your own electrochrommic printed displaysynvisible ink kit - create your own electrochrommic printed displays