laser barcode scanning engine laser barcode scanning engine Specification--DZ7007SDimension49mm×42mm×23mmTechnical parametersLight source650-670nmScan Speed100 times/sec. ... , UPC/EAN with Supplemental, UCC/EAN 128, Code 39, Code 39 Full ASCII, Trioptic Code 39, Code 128, Code 128 Full ASCII, Coda ... ——VCC2——PCDATA3——PCCLK4——KBDATA5——KBCLK6——GND7——TRIG laser barcode scanning engine