1.Output :5VDC/2A  

2.A combination of specific 660nm red light and 850nm infrared light activates damaged body cells and promotes cell metabolism by penetrating the subcutaneous tissue with 850nm light waves. The stimulation of skin collagen cells combined with 660nm light waves accelerates their growth, promotes blood circulation.
3.80 pcs lamp bead relieve pain in the knee
4.Timer:30 mins
5.3 mode to select
mode 1 660+850nm
mode 2 850nm
mode 3 660nm