Designed for the treatment of Seasonal Affective Disorder (SAD), this lamp will bring a little light into your life making it perfect for when the days get shorter and the nights get darker. Unlike old style heavy light boxes this SAD Light is small and portable for use anywhere a mains plug is available. A slider switch adjusts the light power from low to full brightness. It has a built in adjustable angle stand or the light can be wall mounted. Size H12.5, W20.5, D4cm. Diameter of base 20.5cm. No wiring required. (included).