touch screen Dust-proof type,with metal-frame size from 7 to 47 ... :3 (from 7"-47"are available)Feature: Anti-dust, (anti-glare,anti-dust,vandal-proof and standard are available)Frame: Metal frameResolution ... ketone, Isopropyl alcohol, Methyl alcohol, Ethyl acetate, Ammonia-based glass cleaners, Gasoline, Kerosene, Vinegar.Accessory: double glue tapedust-proof tapeAgency Approval ...