USB Plug and Play 0-8cm Reading Distance for Win8/7/XP/Android Supported Built-in buzzer and LED for identification Widely used at apartment, office, supermarket and other places Frequency: 13.56MHz Baud Rate: 9600 Reading time:Less than 0.5s Power Supply: +5V DC Consumer Current: 70mA USB Cable Length: 1.5m Protocol: 14443A Combined IC + ID card reader, flat-panel design with adjustable format (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: plastic Package Contents: 1 x Card Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.