... than 50,000,000 times*Surface hardness: equivalent to glass,7 Mohs *Dust-proof, explosive proof*Durability:5years Grade A LCD ... ,Credit card reader.*Coin/Bill acceptor.*16bit/64bits Metal Keyboard, stainless steel keyboard with trackball.*WIFI, GPRS,3G Modem*Web-Camera,* Thermal ... ,anti-rust,anti-acid,anti-dust Packing:foam ,carton,wooden case Dimension: 1.40-1.60m different from the models (customized ...