Clinical application: hypertension, hyperlipidemia, hyperglycemia and cardiovascular and cerebral-vascular diseases. It is the best laser therapy in nowadays and make laser medical field achieves a significant development. 1. home healthcare products act as “family doctor” 2. 650nm 20mW low level semi-conductor laser 3. Irradiation the radial artery on surface 4. long-term use, safe, efficient, painless, non-invasive, non-cross-infection, and without side-effect 5. Exclusive Patent, SFDA Warranted, 6. Wear the device just like wear a watch, You can start the treatment at any time and any where.