4 Door Access Smart Controller with a Metal Enclosure. Supports 4 Doors OSDP (8 Readers Entry/Exit) or 2 Doors Wiegand (4 Readers Entry/Exit) with 12 Contact Inputs and 4 Relay Outputs. Enclosure is tamper protected, NEMA, IK08 <(>&<)> IP30 rated. Made from 1.2mm mild steel, RAL9003.