When the computer is connected, a disk is displayed with software on it(Do not put the battery in when connecting the computer, wait for the disk to respond, do not ok) Please note: the frequency of the read card and the frequency of the write card should be consistent and the write card should support writable to copy successfully, and the encrypted card needs to be decrypted to be fully copied!! T5577/EM4305 are all ID-125KHZ frequency, and the card is empty when leaving the factory, it can be read after writing, please be aware. HD 2.8 inch/7.1cm full color screen,clear display,built-in multi-lingual. ID/IC full hand and voice broadcast (In English) Support read write frequency: 125KHz, 250KHz, 375KHz, 500KHz, 625khz, 750kHz, 875KHz, 1000KHZ, 13.56MHz (ISO1443A), support HID 125khz Prox cards. Support card read: EM4100/EM4200, Mi- classic, UID cards, HID 1386/1326, Ntag203. Support cards write: T5577, EM4305, HID 1386/1326, UID cards. Digital keys to enter the card number can be entered directly. Has USB interface. Working with 4 x AAA battery, standard handset, easy to carry. (not included). Comes decoding, direct preparation of various types of smart card access door. This product is not suitable for bank cards! ! Cannot write electronic label stickers and electronic label cards( 213) If the device cannot be connected, please do not put the battery when connecting to the computer Only ISO1443A cards are supported This machine only supports 125khz, 250khz, 375khz, 500khz, 625khz, 750khz, 875khz, 1M, HID-125khz, 13.56mhz (ic mode) read and copy, supports most IC encryption card decryption (but not all), does not support Copy CUID and FUID chip cards, do not support cards with power supply How to read and write normal RFID cards? 1. the "on/off " button. 2. Put the cards on the back of the copier. The copier be show the "" page. "ok". 3. Put the cards on the back side of the copier and "scan". 4. The copier scan and show the card number. 5. Put one writable T5577(125khz writable chip) or UID(13.56mhz writable chip) card on the back side of the copier and "Write". 6. About shutdown: 1. Connect USB and battery continuous power supply can not shut down normally, it is recommended to unplug the USB and take out the battery can shut down normally; 2. It can be turned off normally when powered by a separate battery. Color:As Shown Material:plastic Package Contents: 1 * RFID smart card reader/writer(Without 4xAAA batteries) 5 * ID-T5577 125khz Cards 5 * IC-uid 13.56mhz keyfobs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.