SAD phototherapy lamp is a table lamp with both timing intelligent wake-up lamp and lighting function. Full-spectrum UV-free with natural sunlight intensity of 10000 lux. Turn the “main knob” to choose the most suitable brightness from 20 available levels. The alarm clock will automatically light up 30 minutes before the alarm time. 5 natural sounds and 2 snooze functions are available to choose from. Very suitable for home, office, bedroom, or yoga room. The size is 7 1/2×9 1/4×1 1/8 inches, easy to fit in a bag and carry. Best gift for Christmas.