How to useReader user manual connect the computer directly via USB. Open Notepad or a Word document. Mouse in Notepad or WORD document by clicking. put the card on top of the reader. Notepad or Word documents will show the smart card number. When reading a card, the lights will turn red and blue. PC Connection Methodconnects the computer and opens the "Device Manager" of the PC. If the option menu appears "Human Input Device", it means the RFID reader connection is successful. PrecautionsMany factors will affect the reading distance. Such as different environments, different maps etc. Mouse to avoid transferring data errors when the reader is working. Reading DistanceR80C is ISO 14443A protocol and contactless reader with acrylic panel, driver-free, reader distance up to 80mm. ApplicationWidely used for RFID radio frequency identification system and project, such as automated parking management system, personal identification, access controller, production access control, etc. Color: Black Quantity sold: 1 piece Working frequency band: 125Khz Type of card reader: TK4001, EM4100 and other ID cards Size: 105mm 65mm 15mm Card reading distance: 0~80mm Card reading time: <100mS Card reading speed: 0.2 S Card reading distance: 0.5S Communication interface: USB Working temperature: -2070 Operating voltage: 5V Working current: 100mA Operating system: Win XP\Win CE\Win 7\Win 10\LIUNX\Vista\Android Other: Status indicator: Bi-color LED ("blue" power LED, "green" status indicator) Built-in horn: buzzer, can control LED and buzzer Output format: decimal default 10 digits (4 bytes), supports custom output format.