Cold laser therapy is a noninvasive treatment that utilizes specific wavelengths of red and near infrared light photons to your skin. As the photons enter your skin and pass through injured tissue, chemical changes to the mitochondria of the cells occur, signaling them to increase the production of adenosine triphosphate, increasing blood flow and speeding cellular processes to improve healing to those tissues. Cold laser therapy is scientifically proven to be effective to help accelerate the healing process, help eliminate pain, promote blood circulation, and reduce inflammation swelling and wound size.Our device is specifically designed for comprehensive householduse, focusing on deeper muscle relief, joint problems, and chronic inflammatory conditions.ltscombined with 4 diodes x 980nm, 4 diodes x 810nm and 16 diodes x 660nm, a total of 24diodes.660nm for skin and superficial tissue regeneration.810nm penetrates more deeplypromoting cell metabolism and blood circulation, making it ideal for treating chronicinflammation,980nm focuses on reducing deep muscle pain by enhancing mitochondrial activity.triggering the bodys natural healing processes.Our low intensity laser therapy equipment can be used on the shoulders, elbows, hips, neck, lower back, wrists, knees, ankles and feet. For animals, acute and chronic otitis media, back pain, anal adenitis, hip dysplasia, lick granuloma, arthritis, degenerative joint disease, fractures, gingivitis, and muscle ligament and tendon injuries can be treated.On/Off: Press and hold the On/Off button for longer than 2 seconds,to switch the device on/off. Briefly click on the On/Off button, to switch the light on/off.Power: Briefly click on the On/Off button to select four power levels.These are 25 % 50 % 75 % 100 %.Time: Press and hold the time button for more than 1 second, it goes10 minutes per time, click briefly on the time button, it goes 1 minute per time.Mode: Briefly click on the mode button to switch between CW continuous wave and PW pulse waveOur cold laser products include 1 cold laser therapy device, 1 AC adapter withcharging cable, 1 goggles, 1 portable handbag, and 1 user manual. lt is equipped with a high-capacity lithium-ion battery, which is perfect for travel and can be used while charging to ensurecontinuous treatment, no matter where you are. We offer a one-year warranty, lf you have anyguestions about our laser therapy device, please feel free to contact us immediately and we wilprovide assistance within 24 hours.