In General, the difference between these devices is described on the catalog page. Copied, read:Орион wrote:I've now also device want to buy, choose between normal and Pro version. And nifiga while normal information without the ocean water off and can not find.
DreamStalker PRO includes all the features of the device DreamStalker and made many new, exclusive features not found in any of similar devices.
Basically all the added features were suggested by customers of the device DreamStalker.
Here are the new features:
1. built directly into the mask, a vibrator for tactile prompts;
2. playing voice messages before and after tips;
3. playback of scenarios of dreams (it is possible to record all the required messages on the device via built-in microphone, or copy the finished files from the computer);
4. play music for relaxation and improving sleep;
5. automatic recorder for recording dreams;
6. a normal voice recorder to record any messages at any time;
7. voice guidance for ease of use of the device without removing the mask;
8. implemented complete suppression of the clicks at the beginning and end of playback (even if they are in the same file);
9. applied smooth digital volume control playback of files, ranging from the lowest at which the barely audible sounds played;
10. as the files used for playback of standard MP3 (quality CD), and WAV;
11. files are stored on the removable from the slot the microSD memory card (up to 2GB);
12. ensures easy sharing of files with computer, added a standard connector (Jack 3,5 mm) for headphones (peaceful sleep for others and great quality listening to stereo MP3 files);
13. is used automatic self-testing system when turning on the power checking the battery level;
14. the device retained the same dimensions, which were at a DreamStalker', and still without external unit, completely housed in a black, light absorbing material that allows you to use the device even in the summer after dawn outside the window.
Here's another article with a comparison of different instruments:
http://www.mindmachine.ru/lucid-dream-device-review.htm.<