... eyebrow pigments removal Technical Specification: E-light Light Conduction: Sapphire coupling Standardfilters:430nm,480nm,530nm,560nm,580nm,640nm,690nm Lamp ... :1-5Hz Features: 1. 3 in 1 E-light ( ipl rf ) + RF + Nd:yag laser multifunctional beauty machine 2 ... cooling systems: Water+ wind+ semiconductor cooling 7. Filter changeable E-light ( ipl rf ) handle with 7 filters for different treatments ...