What`s the Functions of the drug addiction laser? 1. Treatment the drug addiction and drug addiction withdrawal symptoms. 2. Improve the body immunity and metabolism. 3. And Improve the drug addiction recurrence symptoms, such as the tears, runny nose, yawning, sweating, hot and cold, restlessness, headache, insomnia, generalized pain, nausea, vomiting and goose bumps etc. The drug addiction laser device advantages as following: 1. Portable, compact, easy to carry, and can be used at any place. 2. Physical therapy method, no side effect, no trauma . 3. The treatment efficiency is very obvisouly , and positive clinical trail proved. 4. Build in lithium battery , durable , and can be repeat usage. 5. Low level laser therapy, safety usage.