Red Light Therapy for Body, Infrared Light Therapy for Muscle Pain Relief, Upgraded 3 in 1 Led Beads, 660nm & 850nm. Infrared light therapy can penetrate deep into the skin to alleviate and repair pain and muscle injuries. 30-MINUTE AUTO SHUT-OFF TIMER: GMOWNW red light therapy for body comes with a timer controller for 5/10/15/20/25/30 minutes, allowing you to set the duration of your treatment. Infrared light therapy for pain 20-30 minutes daily can help accelerate joint recovery, alleviate pain, ensuring you receive the optimal amount of red light therapy for maximum benefits. Brand NEW IN BOX/NEVER USED! Received as gift and I already have one