Showday LED Desk Lamp with Clamp Space Saving Sturdy C-Clamp allows you to attach this desk light to where has limited space, saves more room. Fits any surfaces of 50mm thick or below, like your desk, workbench, drawing board, bookshelf and so on. Simple button control on the cord, easy to operate. Concise Design With clean, simple lines this office lamp will beautifully illuminate any desk. Perfect gifts & presents for family and friends. Fexible Gooseneck Design Easily direct the light to wherever you need it the most. Can be folded up when not being used. 3 Modes & 10 Brightness Levels 3 Colour modes (from warm to cool light), together with 10 dimming levels, this desk lamp is designed for different occasions. Convenient USB Powered Multiple power methods, saves clutter and having to find a spare power socket. Note: the USB adapter is not inclued.