Constructed of heavy-duty steel, OPC8240 has 24 in. LCD panel (1,920 x 1,080P) and operates 32 to 122°F and 10~90% RH non-condensing. Customizable features include resistive or capacitive touchscreens, protected glass (AR/AG), sunshine UV film, and light or motion sensor. While OPC8240A is powered by Celeron® J1990 and hosts 2 SATA HDDs, OPC8240B operates on quad-core Haswell Core™ i3/i5/i7 and hosts 4 SATA 2 HDD. Both models offer mini PCIe expansion slot. Diverse I/O options are standard.