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, de unieke body design, zo soepel en nauwkeurig card draw,beautiful and practical Comply with ISO 7811 gebruik het leven: >300,000 times Work mode: read-only Read track: 1,2,3 spoor, ( of geef 2 spoor, 23 spoor, 12 …