DGXINJUN 660NM Red Light and Near Infrared Light Therap-y Device for Body! Muscle and Joint Relax: The combination of red light and infrared light can produce a thermal effect which can accelerate blood circulation and achieve the effect of muscle relaxation! 2 IN1 Techonology Light Beads: Total 216pcs red 660nm and 108pcs near-infrared 880nm lights featuring our SMD newest lighting tech that two red lights and one infrared light are combined together in one bulb. Comfortable & Easy to Use: Comes with 20 minutes auto off timer two modes can be easily switched. Surface is flat and soft. Buckle straps can be adjusted from 14” to 51” fits for most body sizes. Easily hand-free operation for office or home use. 15 Ft power cord is long enough in range of your activity. Package Includes: LED Light Therap-y Pad ×1 DC Cord ×1 Power Adapter ×1 Timer Controller ×1 Tips: You can also use it while doing yoga! Life replacement parts 1 year warranty!