1.KN-4003LA wavelength: 365+/-5 NM, KN-4003LB wavelength: 315+/-5NM. single root import high efficiency lamp.                                                                                                          2. radiation of inner reflector, high irradiation intensity.                                                            3. lightweight portable, wide applicability.
4.For treatment of psoriasis, Vitiligo, eczema and dermatitis, Pityriasis Dermatosis