Red LED Lamp, Reduce Inflammation 475nm 620nm 660nm 850nm 940nm LED Infrared for Shoulder Black Specification: Item Type: Red LED Torch Material: Aluminum alloy Built in Battery: Lithium ion battery 1200mAH Package List: 1 x Infrared Lamp 1 x Lanyard 1 x Battery Charger 1 x Storage Box Note: 850:940NM is unseen light to the eyes Application Notes: Light physiotherapy effect, through the physics of the method, emitting 475nm 620nm 660nm 850nm 940nm light wavelengths and He Ne in the same wavelength, deep penetration, penetration of the body with red light and the optical effect of red light wavelengths refers to the red after light on the mitochondrial peroxidase activity increases, enhance cell metabolism and protein synthesis, promote local blood circulation, and control the increase of .