30 mm ?3 10 x 7 dot matrix LED display;" 100 Hz scanning frequency, 1/5 duty factor;" Several mounting options;" 12V - 30V DC supply, 85 mA current consumption;" Negative common, gray, binary coded input decoding;" Direction arrows input;" Unlimited font selection, bitmapped fonts;" EEPROM type memory, no need to preorder;" A low cost alternative to display floor figures;" Programmable structure gives flexible displaying options.