Brand New Still in Cling Wrap Our red light therapy pad (comes with a strap) boasts a size of 12"x24", providing greater coverage compared to normal devices. It can envelop your entire back, abdomen, shoulder, and leg. With 242 lamp beads (3 chips in each bead), this device emits a more powerful energy to effectively relieve muscle pain, increase blood circulation, reduce inflammation. Now, you can get out of expensive spas and enjoy comfort red light therapy at home. [Magical Red Light for Pain Relief]: Our red light therapy pad emits 850 nm infrared light (invisible to the naked eye), which penetrates cellular tissues, producing thermal effects on muscles and aiding in the relief of back and joint muscle pain, improves blood circulation and reduces inflammation. Perfect for the elderly experiencing back pain, engaged in high-intensity physical work or sedentary office routines. It also helps with muscle soreness, energy recovery after exercise and fat loss.