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 Prox cards. Support card read: EM4100/EM4200, Mi- classic, UID cards, Ultralight, 1386/1326/1346, Ntag203 Support cards write: T5577, EM4305, 1386/1326/1346, UID cards. Digital keys to enter the card number can be entered directly. Has USB interface Working with 4 x AAA battery (not included), standard handset, easy to carry. Color: Material: plastic Package Contents: 1 x card reader 1 x cable 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.