... and durability High resolution and sensitivity 7 inch 4 Wire Resistive Touch Screen Panel Key Specifications/ ... 50,000 hoursDustproof & Waterproof PerformanceComplying with NEMA 4,12, &IP 65 StandardTransparency≥87%Operating Temperature- ... Higher than the Sea LevelAnti-chemicalCompositionAcetone, Methylene Dichloride, Ethyl Methyl Ketenes, Isopropyl ketone, N-hexane, Turpentine, Minerals, ...