The LumaSoothe 2 Light Therapy Device for Dogs & Cats is a low-level light therapy (LLLT) device to help relieve pain, increase blood circulation and stimulate and rejuvenate cells. The Lumasoothe 2 incorporates 5 different wavelengths of light; infrared light therapy, red light therapy, blue light therapy, yellow, and green light therapy. This non-invasive pain reliever features five wavelengths of light in deep or surface treatment modes. The deep mode helps to target deep joint and muscle pain like arthritis. The surface mode targets surface-level ailments like wounds, hair loss and eczema. The LumaSoothe boasts a LCD menu display panel that allows you to set the treatment timer and switch between the different treatment options/modes. It easy to use, portable and treatment sessions can be 5, 10 or 15 minutes.