Product features and parameters Manual draw card, scratch card supports two-way Interface: USB of PS / 2 of RS-232, not need an external power supply Stable performance, die unieke liggaam ontwerp, so glad en akkuraat trekpleister,beautiful and practical Comply with ISO 7811 gebruik die lewe: >300,000 times Work mode: read-only Read track: 1,2,3 spoor, ( of spesifiseer 2 spoor, 23 spoor, 12 …