HD 2.8 inch 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/B), support HID Prox cards. Support card read: EM4100/EM4200, Mi-fare classic, UID cards, Ultralight, HID 1386/1326/1346, Ntag203 Support cards write: T5577, EM4305, HID 1386/1326/1346, UID cards. Digital keys to enter the card number can be entered directly. Has USB interface Working with 4*AAA battery, standard handset, easy to carry. (not included) Comes decoding,direct preparation of various types of smart card access door. How to read and write normal RFID cards 1. Press the "on/off " button. 2. Put the cards on the back of the copier. The copier will be show the "Waring" page. Press "ok" 3. Put the cards on the back side of the copier and press "scan" 4. The copier will 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 press "Write" Colour:white Material:plastic Package Contents: 1 x NFC Reader Writer 1 x usb line 5 x 125khz buckle 5 x Management card