15" fully sealed all metal construction panel PC The ET4555 delivers ruggedness and touch flexibility, in an industrial computer that is sealed to NEMA 4/ IP65 standards. The ET4555 Industrial Computer uses touch screens which combine exceptional durability with high precision, optical clarity, and brightness. Near Field Imaging (NFI) and Infra-T touch screens can be operated with a bare finger or gloved hand and can withstand severe abuse, abrasions, chemicals, shock, and vibration in wide variations of temperature and humidity. Offered with the unit is a 15 inch colour TFT display, FDD, HDD, LAN, USB, Serial and sound connectors. Expansion slots can hold three PCI cards. Where a larger display is required, there is a sister product, the ET4585 which has an 18 inch display. Options such as a CD-ROM, DC power supply, and solid state drives help increase this industrial computer's utility into many industrial environments where a fast processor and rugged NEMA 4/IP65 sealing are required.