DENAS is affordable and easy to use device for personal users or for entry level DENS therapists. This pocket size and ergonomic device is your steady personal Doctor no matter where you are. DENAS is the device that basically designed for the first aid (injury, severe pain, burns, asthma etc), but it can be also effective for chronic diseases. It has 2 modes - Therapy and Dosed Mode. Both of them can be used for diagnostic and treatment. Therapy mode, that works on universal frequency 77 Hz, allows to find pathological points moving the device over the skin. When you'll pass device over pathological points, you feel sticking, painfulness, or reveal changing of the skin color. That means you diagnosed deviation spots, therefore stay there for a few minutes to cure this pathological areas and you can get pain relief in 5-20 minutes.* Test mode, that works on 10 Hz, also helps to find pathological spots measuring time of reply (when LED lights up). Finding smaller time of reply you get these deviation points and now you are ready to treat them.