[3 Lighting Modes & 10 Brightness Levels]: The LED Clip Lamp featured with 3 color temperature:warm light, warm-white light and white light . Each lighting mode has 10 brightness dimming levels. Totally 30 illumination modes to meet all your requirements. You can always get most suitable light color according to variety of uses. [Adjustable Design]:Strong aluminum clamp supports up to 2.1 inches tabletop. 360° rotating lamp, 360° rotating base, 180° adjustable metal arm, you can freely adjust the light direction,angles,length,positions according to your personal need. [Eye-Caring Tech]:This energy-saving desk lamp provides options of decent brightness and color temperature.Shines a flicker-free light that brightens your space without harming your eyes; Perfect for reading;working or studying. [Spacing Saving Clamp]: Attached clamp mounts easily to any tables,shelves and surfaces that are vertical or horizontal. Compact clamp and slim lamp with hidden let you have a completely free desk . [Energy-Saving LED Lamp]: High-efficiency LED consume 80% less energy than conventional bulbs and last lifespan without the need of replacing. This means a much lower electricity bill and less carbon footprint.[Please Note: Only Match with the adapter of 5V/ 2A - otherwise cause damage to the control button and reading light] Material:plastic colour:Black Package Contents: 1 x Desk Lamp Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.