Features: Brighting green LED battery means reading successfully (Device with a buzzer will "beep" after success of the device) It comply with ISO or ANSL technical standards, and supports bi-directional swipe. Not only simulation keyboard output, but also plug and play without drivers. Long head life, suitable for high-load job. Low power without external power, powered directly through USB port of the PC. The unique design, low error rate and supports bi-directional swipe when using. Users can set the start and end symbo, Enter , Beeper or character replacement by themself. Virtual keyboard output data.Self-test before operating. 100% brand new and high quality It's Tree-track magnetiic stripe reader, dedicated to reading and transmitting the card information. They are the one that this product uses the F2F decoder and date transmission. Package Includes: 1 PC x Card Reader with Cable 1 PC x Manual Specifications: Technic Details: Recording Density: 201bpi 75bpi or 210bpi Recording Capacity: 79 Characters, 40 Characters or 107 Characters Power Supply: +5V DC Power Consumption: 50mA(max.) Head Function: Read only 1.5mm Card Thickness: Plastic 0.76 0.08mm Operation Speed: 10- 120cm/sec Interface: USB Operation Locus: Indoors only Cable length: 142cm/55.9in Size:approx 91.4x27.6x28.2mm/3x1.09x1.1in Material: ABS Lifetime of Header: 800,000 card passes (1 pass: one swipe) Weight: Approx. 100g note: There might be a bit color distortions due to different computer resolutions. There might be size errors 0-2cm due to different computer resolutions.