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.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.Specifications:Support: for all 125Khz RFID EM4100 CardFrequency: 125KhzWorking Voltage: 5VOperating Current: 100mARead Card Distance: 0~80MMCard Reading Time: <100MSReading Card Speed: 0.2SCard Spacing: 0.5SBuilt-in Horn: BuzzerCommunication Interface: USB Interface, Serial InterfaceCharging Method: USBWorking Temperature: 20 ℃~85 ℃Material: PlasticColor: BlackSize: Approx. 11 * 8 * 2.7cm / 4.3 * 3.1 * 1.1inCable Length: 130cm / 4.3ftWeight: 125gPackage List:1 x RFID Reader1 x USB Cable