Features USB Interface --- ID card reader adopts USB interface, plug and play, the wire unfolds about 1.4 meters, the interface line outside the use of PVC material wrapped, strong and durable, higher transmission efficiency. Non Contact --- Our RFID card reader reads the card reading fast, the reacting speed is less than or equal to 0.2 seconds, the reading and writing distance can be up to 80mm or 3.1in, support IC card reading and writing. Microelectronics RF Module --- ID card reader with stable performance and strong compatibility, using microelectronics RF module, for Windows and for Linux and for Android, no need to install driver software. Sponge Pad --- The bottom four sides of the RFID reader are equipped with sponge pads, non slip and wear resistant sponge pads with internal removable screws. PVC and Anti Scratch Durable --- Our RFID card reader anti scratch durable shell is made of PVC material with superb craftsmanship and frosted environmental friendly spray molded surface. Specification: Item Type: ID Card Reader Material: PVC Operating Frequency: 125KHZ Reading Speed: 0.2S Reading Distance: 0-80mm(0-3.1in) Read Card Pitch: 0.5S Communication Interface: USB interface Powering Mode: USB powering Working Voltage: 5V Working Current: 100mA Package List:1 x Card Reader 1 x USB Cable Package List 1 x Card Reader 1 x USB Cable