<p>RFID card reader is easy to operate and has fast card reading speed. If it is a standard HID device, there is no need to install the driver. The card number can be read in any edit box (for example: Notepad, WORD and other text editing software). This function is suitable for expanding the functions of existing software without making any modifications to the original software</p> <p>Communication mode: standard HID communication;</p> <p>Interface: full-speed USB device interface, compatible with USB V2.0</p> <p>Power supply mode: USB universal serial bus interface power supply;</p> <p>Working frequency: 125 KHz;</p> <p>Maximum sensing distance: 3-8CM;</p> <p>Supported card types: EM series, 4001 series and compatible radio frequency ID cards;</p> <p>Power consumption: less than 0.5 W;</p> <p>Use environment: temperature 0--50\u2103, humidity: 50-95RH, air pressure: 88-106Kpa.</p> <p>The actual product may have slight color difference or difference, which not affect the use</p> <p>Colour:black</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 * USB RFID Reader Kit</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>