... 4" 7 segment led display two digit super red emitting color best quality&fast shipment free samples OEM Spec of 0.4 ... " 7 segment led display two digit Part NoKEM-4021-BSGDimension20. ... LED display: ---Digit size: from 0.25" to 16" ---Digit Numer: 1, 2, 3, 4, 5 and 6 digits 2 ... , green, blue, yellow, amber, white, bi-color 4. Available surface color: black,grey and red 5. Lens ...