... : 5x-10x 3. 7 modes:Full color, Positive, Negative, Blue on Whiteetc * Magnification Range: 5x-10x* Display: 3.5" diagonal; 4:3 aspect ratio* ... Display mode:(7 modes) Full color, Positive, Negative, Blue on White, ... Weight: 185g, Carrying case included.* Warranty: One-Year Manufacturer Warranty 3.5'' portable electronic magnifier