... , water-proof, anti-dust, oil-proof6,prefect solution for Glare7, Touch without delay, sensitive response8, all control work ... long time use11,totally enclosed environment with no need for daily maintenance12, High recognition rate Hanwang touch screen ... Infrared induction principle15,Operation system: W98,W2000,XP,Vista,Win7 etcApplication Field1,government public affairs system 2,public places ...