Introduction to light wave bath: Light wave bath is also called "life bath room". Through the biological effect of 5.6-15 micron far infrared rays, it adds energy, activates cells, and enhances tissue regeneration ability. It has outstanding effects on the following conditions: rheumatoid arthritis , lumbar muscle strain, stiff neck, weight loss, beauty, recovery after illness, physical fitness, asthma, pharyngitis, rhinitis, tinnitus and other symptoms.