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- 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 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 "" 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 Only the above package content, other products are not included. Note: Light 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.