... -in speakers 2. USB/SD socket 3. DVB-T or ISDB-T optional car DVB-T1. AV in function, earphone jack ... MENU, CH-, CH+, VOL-, VOL+, IR for TV/AT, POWER) with simple and convenient operation6. Multilanguage USD7. External direct current power ... SD card reader is optional. 10. ISDB-T TV is Optional. 11. DVB-T TV is Optional. 20pcs/carton carton size ... G.W.: 22 KGS N.W.: 20KGS car DVB-T with 7 inch screen