Features: 1Used to read the ID card and output it to the computer by keyboard code. 2Connect the USB cable to your PC, plug and play. 3Compact size, waterproof material, easy to use. 4Equipped with diagnostic power LED and built-in buzzer. 5Charging with USB, does not require any external power source. 6Can read all 125Khz RFID EM4100 cards / tag. 7Support for windows, for linux, for moc, for ios, for android systems. 8Suitable for access control, membership system, sauna bath, multimedia system, etc. 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 Included: 1 x ID Card Reader&nbsp1 x USB Cable