1. Totally get rid of the main unit limited.
2. Easy to usage.
3. Portable and compact.
4. Only plug in, then the laser will outputautomatically.
5. lt can be powered by the portable power bank, adapter or computer.
6. The National patent protected technology.
7. no side effect, no trauma.
8. Small size, easy to cary, it could be used atanywhere.
9. The treatment effciency is around 90%.
10. The diode is imported 650nm diode, not the normal LED, so the cost
have a big difference, and the selling cost also have a big difference.