HDSP-5508 7-segment display Digits: + / - 1 , 0.56" high digits , common cathode (HER - High Effeciency Red). Gray face and sides by Hewlett-Packard (Agilent) Extra bright - suitable for high ambient light conditions. Download Hewlett-Packard (Agilent) HDSP-5508 .pdf datasheet: Status: NOS (New Old Stock) RoHS compliant: no