... integrated projector,computer,TV touch interactive screen integrated projector,interactive board,computer,TV 55'' touch screen hot productModel IE-5500 Size/Screen area55"/1345(H ... V:56-75HZViewing angleH178°: V 178°SENSOR/TOUCH PARAMETERSReaction modeInfraredTransmittance100%Touch accuracy4096x 4096Response time≤11msResponse speedFirst touch: 25ms, Continuous: 8msCursor speed120/sLocation ...