Description: RFID Reader Duplicator 125khz Handheld shape design, comfortable hand feeling and high quality. 2 buttons for simple operations. The reaction speed is extremely fast. Standalone operation, no need to connect with computer / PC, easy to use. Built-in individual LED lights and buzzer indicator. Reading distance is 0 - 6cm. Can only copy 125KHz RFID card, Compatible with T5577, CET5200, EM4305 and EN4305. How to use I. Start the equipment 1. Push up the switch on the right side of the device, and the red light will be on, and the green and yellow lights will flash at the same time, indicating that the startup is successful, otherwise, it can be restarted once. 2. After the device is started, don't read any card at this time, and then press the device card writing button to write the card as an ID card with all zeros. After the card writing is successful, the buzzer will beep twice and the green light will light up. 3. When any key is pressed, the yellow light lights up, indicating that the equipment is working. Second, read-write card 1. Push up the switch on the right side of the device, and the device beeps 2 or 3 times, and the green and yellow lights flash at the same time to indicate successful startup; 2. First, put the bus card at the antenna position on the left side of the device, press the card reading button, and the device beep indicates that the card reading is written, while the green light is on; 3. Change a new card, press the card writing button, and the device beeps 2 to indicate that the card writing is successful, while the green category lights up and the card writing is successful. 5. Put one writable EM4305 key on the back side of the copier and press "Write" Specifications: Specifications: Read: EM / TK (EM4100 TK4100 etc) cards or keys Write: EM4305 CET5557 T5577 5200 EM4205 etc cards or Keys Built-in: individual LED lights and buzzer indicator, transceiver antenna Power Supply: 3V (2 x AAA battery)( not include ) Times: Read / Write > 20000 times Card reading time: 0.001(s) Size: ( L*W*H ): 115 x 70 x 30mm Weight: 85g