USB Interface (Plug & Play): Connects via USB port for fast and stable data transmission. No external power supply needed. RFID Card Encoding Support: Compatible with Mifare 1K/4K cards (13.56 MHz). High Encoding Speed: Rapid card writing/reading improves efficiency at front desks. Compact & Sleek Design: Professional look for hotel environments. LED Indicator: Visual feedback during encoding process. Driverless Operation on Newer OS: does not require manual driver installation.