? Specification Adapter: 110-240V ? Benefits ? Sleep Our brain's chemistry and body clock are affected by light, and light stimulates hormones and neurotransmitters that greatly influence our well-being including sleep/wake patterns. ? Mood The use of Light Therapy lamps to combat the tiredness associated with the winter blues, and the effects of shift work ? How It Works ? Daylight The natural light of a sunny day is over 100 times brighter than indoor lighting. When we are deprived of natural light, our body clock falters. ? How To Use ? Step 1: Put your HappyLight light therapy lamp in a convenient location like on a desk or tabletop and turn it on. ? Step 2: Find a distance that is comfortable for you. We recommend that you position the lamp at an angle from the eyes. It is not necessary to look directly at the light. ? Step 3: We recommend an initial session of 10 minutes and to gradually increase from 20 minutes to 1 hour daily until the desired outcome is achieved. Everyone has a unique response to light. ? Package Included: 1 x Therapy light 1 x Charger 1 x Bracket