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 interfaceWorking 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. 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" Colour:As Shown Material:Plastic Power Supply: 4 x AAA batteries(Not included batteries) Package Contents: 1 * Card Reader(no 4 * AAA batteries) 5 * id card 5 * ic card 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.