Pocket-sized 2-in-1 unit is the ideal Color Identifier / Light Detector for the blind and colorblind. Discerns and clearly announces up to 150 shadings — not just red, for example, but pale red, light red, dark red, as well as intense red.
Features:
Also detects the presence of light and indicates intensity and proximity by audio signal. Volume control; Equipped with earphone jack for privacy (earphone not included.)