... Touch LED TV 55", 65" ,70" ,84" with IPTOUCH Software for Teaching and Meeting. Touch Digital Signal TV + Analogue + PC ... 4G / 6 G RAM Memory , 320G / 500G / 1T HDD5. IPTOUCH Software for Teaching. control mode / annotation mode / window mode function .6. All ... ISDB-T / ATSC8. 55' , 65" , 70 ", 84" is avaialble size for different demands by clients9. Operation System Windows XP , Windows 710 ...