Product features and parameters Manual draw card, scratch card supports two-way Interface: USB o PS / 2 o RS-232, not need an external power supply Stable performance, ang mga natatanging disenyo ng katawan, kaya makinis at tumpak na draw card,beautiful and practical Comply with ISO 7811 Gamitin buhay: >300,000 times Work mode: read-only Read track: 1,2,3 subaybayan, ( o tukuyin 2 subaybayan, 23 subaybayan, 12 …