This portable battery operated Digital Video Magnifier is designed to meet the needs of various users, especially those with low vision, color blindness, and amblyopia, providing an excellent visual experience. This is an ideal aid for reading, writing, and viewing maps or books. The 3.5 inch digital magnifier supports 2x, 8x, 16x, and 25x magnification and is designed for short-term reading assistance, helping to zoom in on text with ease. Also has 8 adjustable Color Modes: full color, black on white, white on black, blue on white, white on blue, yellow on blue, and blue on yellow and is easily adjustable to match your vision needs. You can also view on your TV with the included USB Type-C cable.