RFID Reader Duplicator 125kHz handheld design, comfortable grip, and high-quality construction. Features two buttons for simple operation and extremely fast response speed. Standalone device, no computer or PC connection required, easy to use. Built-in individual LED lights and buzzer indicator. Reading distance: 0–6 cm. Designed to copy only 125kHz RFID cards. Compatible with T5577, CET5200, EM4305, and EM4205 cards. How to Use: 1. Power On the Device - Slide the switch upward on the right side of the device. The red light turns on, and the green and yellow lights flash simultaneously, indicating successful startup. If not, restart once. - After startup, do not read any card immediately. Press the card writing button to write a blank card as an ID card with all zeros. Upon successful write, the buzzer beeps twice and the green light illuminates. - When any button is pressed, the yellow light turns on, indicating the device is operational. 2. Read and Write Cards - Slide the switch up to power on. The device beeps 2 or 3 times, and the green and yellow lights flash, indicating successful startup. - Place the source card on the antenna area located on the left side of the device. Press the read button; the device beeps once and the green light turns on, indicating successful read. - Take a new writable card, place it on the antenna area, press the write button; the device beeps twice and the green light turns on, indicating successful write. Specifications: - Read: EM / TK (EM4100, TK4100, etc.) cards or keys - Write: EM4305, CET5577, T5577, CET5200, EM4205, etc. cards or keys - Built-in: Individual LED indicators and buzzer, transceiver antenna - Power Supply: 3V (2 x AAA batteries) - Operation Cycles: Read/Write over 20,000 times - Card Reading Time: 0.001 seconds - Dimensions (L x W x H): 115 x 70 x 30 mm - Weight: 85g Package Included: 1 x Access Card Replicator