The full-spectrum UV-free phototherapy lamp has a natural sunlight intensity of 10000 lux and is specially designed for seasonal mood, shift work, etc. Touch the button, two brightness modes, long press to adjust the brightness to meet your needs in different situations. Use for 20 to 30 minutes a day to restore vitality and promote positive emotions. It comes with a USB cable, which allows you to use 5V, 1A power adapter, laptop, mobile power, and other equipment to supply power. The adapter is not included. Please connect the USB cable to turn on the happiness light. The phototherapy lamp is made of durable ABS material. The size is 5 5/8×5 1/2×3/8 inches, the volume is small, with a bracket, it can be used in homes, offices, etc. It is the perfect gift for family and friends.