Verilux HappyLight Full-size, White Light Therapy with 2 Interchangeable Lenses

The Verilux HappyLight VT20 Liberty 10K Energy Lamp provides up to 10,000 LUX* of full spectrum light, the highest recommended output for addressing seasonal change, the 'winter blues' or the effects of shift work, jet lag, malaise or fatigue. For most people, 30 to 60 minutes is a productive, effective light therapy session – generally in the morning. Some may also flip on the light for a while in the afternoon to combat the difficult 'lunch coma'. Two interchangeable, replaceable lenses – High-Energy and Comfort – and two light intensity settings provide four options to tune the light to your needs , comfort and energy level