10000lux white light, no strong ultraviolet light. The light therapy lamp helps to improve long-term indoor life and energy, sleeping style, etc. The “main knob” design makes the operation easier by turning the “main knob” to select the brightness from 20 levels. The most suitable brightness can be selected according to the environment, distance from the phototherapy lamp, and personal sensitivity to meet personal needs. There are 6 timer settings (15/30/60/90/120/150 minutes) for custom working time. The size is 7 1/2×9 1/2×3/4 inches, and the shape is exquisite and compact, which is easy to store and carry. The design with a rotating bracket allows the phototherapy lamp to be placed on office desks, bedside tables, etc. It is the perfect gift for lovers and friends.