1. Mature product with 2 in 1 design 2. triple light filter systems: Effectively filtering the harmful light 3. Silver catoptric system: remarkable optical effect 4. Three cooling systems: Built-in Circle water-cooling system Air cooling system Semiconductor cooling device 5. Multiplex counter system: insuring the quality 6. Water-electricity separator inside: insuring the system safety 7. Magnetic drive pump controlled water circulation: lower noise, longer lifetime 8. 3 adjusting programs, every program with a submenu aim at different skin types.