... Memory2GB DDR3 Memory. Support DDR3800/1066, Up to 8GBChipsetIntel NM10 chipsetVideo Memory128/224MB graphisycs,Intel GMA3650Expansion ... than 50,000,000 times*Surface hardness: equivalent to glass,7 Mohs*Dust-proof, explosive proof*Durability: ... Non-profit Organizations: Telecommunications, post offices, hospital, schools;4. Public Places: Subway, airports, stations, gas stations, toll stations, ...