... price,slight pain,very good treatment result Diode laser hair removal machine:TheoryDiode laser hair removal technology is based on the ... thus achieve the purpose of permanent hair removal.CharactersSafety: 810nm diode laser with stable function, and long using life, intelligent microprocessor ... area;Efficiency: 810nm is in the spectrum of near-infrared(0.75-1.50μm) region, effective to absorb ...