10,000 Lux for Effective Light Therapy: The 12W LED Therapy Light delivers the recommended brightness Exchangeable Filters for Different Colors: The LED light therapy lamp emulates sunlight with light temperatures of 5500 K (white) or 9000 K (blue) to stimulate the body's natural response Rotatable Arm for Comfortable Positioning: The light arm is 270° rotatable, allowing for comfortable positioning to achieve maximum effect