Features 1、High sensitivity, low working current and high performance 2、125khz RFID ID(EM4100) card reader with USB interfce 3、Easy to use, plug and play. No need to download any drivers 4、Wide application, suitable for all kinds of RFID application such as access control, attendance, security and so on 5、Made of high quality material, durable for use Specification Description: This is a RFID card reader has advantages of high sensitivity, low working current and high performance. Wide application, suitable for all kinds of RFID application such as access control, attendance and so on. Features: 1. High sensitivity, low working current and high performance. 2. 125khz RFID ID(EM4100) card reader with USB interfce. 4. Wide application, suitable for all kinds of RFID application, such as: access control, attendance, security and so on. 5. Made of high quality material, durable for use. Specifications: Support: for all 125Khz RFID EM4100 Card Frequency: 125Khz Operating Current: 100mA Read Card Distance: 0~80MM Card Reading Time: <100MS Reading Card Speed: 0.2S Card Spacing: 0.5S Built-in Horn: Buzzer Communication Interface: USB Interface, Serial Interface Charging Method: USB Working Temperature: 20 ℃~85 ℃ Material: Plastic Color: Black Size: Approx. 11 * 8 * 2.7cm / 4.3 * 3.1 * 1.1in Cable Length: 130cm / 4.3ft Weight: 125g Package List: 1 x RFID Reader 1 x USB Cable