40" x 16.5" This large, flexible therapy mat provides even light distribution across your entire body, ensuring maximum coverage and optimal results for relaxation and wellness. 420 Vortro red light therapy mat features 420 brand-new upgraded 3 in 1 LED beads. Each LED bead consists of 2*660nm red light and 1*850nm near-infrared light. There are 840 pcs 660nm red light can penetrate the skin epidermis, promote cell metabolism,420 pcs 850nm near-infrared light can accelerate blood circulation, relaxation of muscle tension. - Easily customize your infrared light therapy for body with the control. 5 light modes & 30mins adjustment suitable for all skin types, select the appropriate light and use it according to your skin's needs.