Features 1、Used to read the ID card and output it to the computer by keyboard code. 2、Connect the USB cable to your PC, plug and play. 3、Compact size, waterproof material, easy to use. 4、Equipped with diagnostic power LED and built-in buzzer. 5、Charging with USB, does not require any external power source. 6、Can read all 125Khz RFID EM4100 cards / tag. 7、Support for windows, for linux, for moc, for ios, for android systems. 8、Suitable for access control, membership system, sauna bath, multimedia system, etc. Specification Condition: 100% Brand New Item Type: ID Card Reader Material: ABS Color: As picture shown Specifications: Approx. 105 x 72mm/4.1 x 2.8in Interface: USB for HID Keyboard Power: 5V Prompt Method: Dual Color LED, Buzzer Support Cards: ID, 4100 Supported Systems: For Windows, for Linux, for Moc, for ios, for Android Reading Distance: Approx. 2 - 5cm/0.8-2in Output Format: 8H10D, Can Be Set by Software Package List 1 x ID Card Reader 1 x USB Cable