3 in 1 elegant design aiming at various curing ranges for hair removal,skin rejuvenation and veins removal Error self-detecting and error correcting system Three cooling systems: Built-in Circle water-cooling system Air cooling system Semiconductor cooling device Treble counter system (in screen, treatment handle, and inside of machine) Silver catoptrical system: remarkable optical effect Magnetic drive pump and stainless water tank with lower noise and good radiating Triple light filter systems: effectively filtering the harmful light 3 Program modifying system, every program have different submenus for adjusting the energy and suit for different skin tone Designed with automobile paint: showing the quality