... are the benefits of PDT LED BIO-LIGHT MACHINE SPL machine ?Treatments are less expensive than other light based therapies. The main benefit is ... BIO-LIGHT MACHINE SPL Advantages:1. Seven types of specific light source for clinical treatment; (Red, Blue, Yellow, Red+Blue, Red+Yellow, Yellow+Blue,Red+Blue+Yellow ... BIO-LIGHT MACHINE SPL Specifications: LED colorsR, B, Y, R+B, R+Y, B+Y,R+B+Y(R:red,B:blue,Y ...