Philips HF333160 GoLITE BLU Energy Light Philips HF333160 GoLITE BLU Energy Light. The Philips goLITE BLU energy light is a portable light therapy device which is designed to help you increase your energy level naturally and fight winter blues. Its small size makes it easy to use wherever it suits you best. Independent clinical research shows that the blue light from the summer sky triggers our bodies to be active and energetic and regulates our mood. Using the goLITE energy light for as little as 15 to 45 minutes a day naturally improves your mood and energy level throughout the day. A wide field of light gives the freedom during treatment to engage in activities such as computer work, reading or watching TV. Sleek design and rechargable battery make the device easy to use store and travel with. Set the timer according to your needs by using the touch display and choose the right level of brightness out of the four levels by using the dimmer. These blue LEDs have a lifetime of over 50 years if the appliance is used 30 minutes a day throughout the year.