Dimmer on Light: The Flexible clamp light has 3 colors mode & 10 levels light, Max 600 Metal Clamp on Light: Using high-quality aluminum alloy material, nano anti-scratch coating360 degree Rotation Led Light: The gooseneck desk light can be 360 degree rotation in all directions for use anywhereEye Protection on Lamps: Led clamp light flicker-free and non-glare light, Perfect for a long time of reading or writing, less fatigue of the eyesSmart Function Led Desk Light: The LED lamp will be automatically powered off 1 minute later after keeping pressing the button more than 2 secondsThe strong metal clamp can support up to 2 inch/5cm(max) thick deskSpace saving, suitable for reading,office,art workshop,architect,etc.The desk lamp's head is crafted with aluminum, preventing overheating for easier heat emission, extend the lifespan.2M USB cable,Easy to control the 3 Modes & 10 Level Brightness with the dimmer to customize your lighting brightness as your favor.Colour: Black material: metalSize: 28*2*40cmPackage Contents: 1pcs*USB lightOnly 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.