Fusion is the only portable video magnifier that compacts "laptop-style" (7.25" x 7.25” x 2.25" slim and weighs only 3 pounds), so the LCD screen is better protected from scratches and more secure while in transport. Fusion has a preinstalled 3-hour rechargeable battery, for totally wireless portability, or plug in the power supply for extended use or to recharge. Fusion magnifies 6x-18x by adjusting the roller atop the mouse camera. Press the right mouse button to select Color, B/W or Reverse image. Toggle the left mouse button to change from the original-size to double-size magnification. Enhance the image intensity via the Brightness dial on the monitor panel. Easily prop Fusion onto its two fold down stands for writing.