Norelco HF3310 Philips briteLITE6 energy light. Research shows that our mood and energy levels are regulated by light. The briteLITE 6 energy light provides full spectrum 10,000 lux light that naturally restores the essential light signals needed to feel happy and energetic. Our bodies use sunlight to regulate a variety of functions that affect our mood and energy level. Without enough sunlight, we often feel down and lack energy. In the winter months this can be especially noticeable, leading to what many refer to as the winter blues. Light therapy is a simple and natural way to help you restore your mood and energy levels and beat winter blues -without the use of drugs or artificial stimulants. Best of all, most people feel the benefits of light within just a few days. With four convenient settings, you can choose the one that's right for you. Plus, the briteLITE remembers your last session length and shuts down automatically when your time is finished, making it easy to use. Produces no harmful UV or near-UV light.