Features and specifications: Features: ID card, for HID, AWID card can be read and write Support for writing 75577, EM4305, CET5200 and 75577, EM4305 compatible cards, 8265, 8268 Supports 125Khz EM4100 / EM410X or compatible cards and tags formats Built-in individual LED lights and buzzer indicator Built-in transceiver antenna Battery power supply: 3V (2 x AAA battery) (batteries not included) Small & portable design: (115 x 70 x 30) mm Read / Writable card & for key fobs can be cloned and copied > 20000 times with difference IDs How to use: Read: Put the inductive proximity card (EM4100 or TK4100 or has inside info EM4305 or T5577) in the induction area and hold the read for key (left one). The buzzer will sound emitted by the green indicator for success. If the power light is only blinking, then the card reader failed. Copy: After the reading is successful, put the blank card in the induction area and hold the copy for key(right one). The buzzer sound emitted by the yellow indicator for success. If the power light is only blinking, then the card reader failed. Package Included: 1 x RFID ID Card Copier 3 x Tags