An Effective S.A.D. Treatment Helps Beat Seasonal DepressionResearchers have confirmed that specific biological changes within the brain occur in response to different levels of bright light exposure, and that these biochemical changes affect hormones and neurotransmitters responsible for regulating our mood, energy, sleep and appetite. In the majority of the population, these changes are not troublesome; they simply cause minor variations in their annual rhythms. For those with SAD, though, these changes are profound enough to cause significant disruption to their lives, and create a need to beat seasonal depression. The FBL uses long lasting blue-green LED bulbs which produce no UV. The FBL shuts off automatically after 30 minutes and the lithium polymer battery can be used for up to 3 treatments before it requires recharging. Charger should last for 8,000 recharges.PURCHASE INCLUDES:FEEL BRIGHT LIGHTCHARGERCARRYING CASEVISORDUAL LOCK ATTACHEMENT FOR VISOR OR YOUR OWN HATINSTRUCTIONS