It is super compact and light weight, you are be able to travel with it without problem. It also has a USB port, which means that you can use it by plugging it into your laptop. The adjustable brightness is a really nice feature that will be helpful with the various thicknesses of paper that you like to work on.Features:USB: supply by USB cable, convenient to access to any USB port like computer Wall outlet, USB adapter and .LED Light: Super Bright and Eco-friendly LED ensure extreme low calorific value and life span up to 50000 hours.Touch Switch: Touch sensor switch design, dimmable and adjust the brightness by slightly touch the button.Comfortable: Flicker-Free and No radiation, good for your eyes especially long-hour working.Portable: Thin and portable design, ultra-thin and light weights which makes it portable.Specifications:Model: K4Material: Acrylic(Organic glass)Interface Type: USB Source: 5VLight Source: LEDItem Size: Approx. 33.5cm * 23.3cm * 0.3cm / 13.2in * 9.17in * 0.12inItem Weight: Approx. 348g / 12.28ozPackage Size: Approx. 40cm * 27.2cm * 3.5cm / 15.8in * 10.7in * 1.38inPackage Weight: Approx. 559g / 19.69ozPackage List:1 * Copy Board1 * USB Cable