【Healthy & Scientific】The narrow band of green light has clinically been proven to be effective for the treatment of migraines insomnia anxiety and photophobia so that you can go back to your normal life and do what you enjoy without pain and tension. It is natural non-invasive painless and has no adverse side effects. 【Soft & Effective】Lamp emits a specific and studied green light at wavelength of 520nm which creates a smaller electrical signal in the brain than regular light. Compared to other light green light is narrower milder and can effectively activate the receptors in the eyes that send signals to the brain and travel from retinas to the areas where neurons are found to be likely to cause issues like migraines so as to create a good biological reaction in the brain and solve the symptoms. 【Relaxing & calming】Thanks to the natural green light that calms the brain and relieve the migraines in return it is also dedicated to reduce anxiety pain and tension and soothe your eyes to help you fall asleep. What s more? Green light is also clinically found effective for your pain tolerance and mood and it also helps to relieve the depression and neurasthenia produce melanin and reduce pigmentation and redness. 【Dual modes & Dimmable brightness】Green light therapy lamp features two color modes: ①3000K warm white color mode: Suitable for those who are light sensitive helps to adjust your mental status for a better mood. ②520nm narrow band green light mode: Ideal for those with migraines headaches anxiety depression light sensitivity and insomnia. And with a dimmable brightness we believe that our therapy lamp can meet your different needs. 【Instructions for use】Our green light therapy lamp is a non-pharmacological natural and effective way to relieve migraines. Please go to your bedroom eliminate all other light sources and turn the green lamp on to the green light mode under the green light mode please take a minimum of 30 minutes treatment per day. For a better effect we recommend 30 minutes to 2 hours ( the longer the better).