3 color temperatures and 5 brightness levels: 3 kinds of color temperature, warm light (3000K), warm white light (4500K) and white light (6500K). Each CT has 5 levels of brightness, allowing 15 lighting modes to be created. Meets all your needs. Clip on the bed or headboard and reading in bed, comfortable light brings you a comfortable life No flickering and eye protection: The reading light with 5W premium quality LED makes it easy to dim. saving up to 80% of the energy consumed by traditional lamps, gives you the same brightness. No flickering, no dark spots, no ghosting and low HEVV eliminate visual fatigue caused by the stroboscopic effect of traditional light sources. 360° Targeted and Flexible Lighting: the clamp lamp's concentrated illumination emits enough light for you to read books without affecting others by the dazzling lights. With the 360° flexible gooseneck, you can optimize your light source and easily adjust the lighting position and lighting angle. Auto-off (1