The phototherapy lamp ideally solves the problem of simulating natural light in the room in winter or a large part of the year without being exposed to the sun to illuminate more than 11000 LUX - the equivalent of full sun, 30-60 minutes a day, to help you with physical therapy mood, can restore energy, stay active and happy! Product Parameters: 1. Operating voltage: 110-240V/12V 1A DC 2. Throttle Control/Third Gear: First gear 1.8W, second gear 3.5W, third gear 7.8W 3. Lighting window size: 226*131mm 4. Lamp type: 2835 5. Lighting: first gear 5600, second gear 11000, third gear 32000 6. color temperature: 6500K 7. If ultraviolet radiation is present: No 8. Placement distance and continuous working time: 50 cm / 4 hours 9. Product advantages: Compared with higher light intensity, unique shape and exquisite shape 10. Product function: Solve seasonal affective disorder, simulate sunlight to eliminate melanin production, make the brain more alert and maintain vitality.