model: C-YD-447 Magnetic card standard: ISO7811/7812, complies with ANSI, ISO, DUA, IBM and other data standards Read/Write track: track1/track2/track3 Card feeding speed: 10~150cm/sec(210DPI) Reading card ability: 300OE-4000OE Interface: USB, PS/2 ,RS232 Magnetic head life: >500,000passes Power supply: DC +5v Coding method: F/2F Current Consumption: Single track 3.5mA Dual track 5.2mA Triple track 7.3mA Operatinng temperature: -10°C~+50°C Humidity: 15-85%RH Dimension: 170×44×42mm …