Arabica is a mid-sized lightbox emitting cool white light. Use at home to treat the symptoms of SAD, lift mood, boost concentration and restore natural energy. Just as sunlight naturally makes you feel good, topping up with extra bright light in the winter months, or when you're stuck indoors, is proven to put you in a better mood and make you feel more awake. Using Arabica every day makes a big difference to symptoms of SAD such as tiredness, overeating and a lack of energy and motivation. Ideal for treatment while watching TV or using the computer. Delivers the industry standard 10,000 lux at 25 cm. Recommended use: 30 min at 25 cm, longer if you prefer it further away. Cool white light from two 24W daylight spectrum bulbs. Class 2a medical device.