Our happy lights simulate natural sunlight by emitting specific wavelengths of light to help people spend the dreary winter days happily Specific wavelength of light: Our light therapy lamp emits 10,000 lux of bright light, close to the intensity of natural sunlight. This intensity of light is thought to be effective in regulating the body's biological clock and improving mood. Adjustable brightness: Provides multi-level brightness adjustment function, you can choose the appropriate light intensity according to your needs. Timing function: Phototherapy lamps are usually equipped with a timer, which can set the illumination time to ensure that you get the appropriate exposure time. Portable design: Modern phototherapy lamps are compact in design and easy to use in different environments such as homes and offices, meeting the needs of users for phototherapy anytime and anywhere. Safety: UV-free, harmless to eyes and skin.