4 Door Access Smart Controller, with a Metal Enclosure and 12VDC Power Supply. 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 tamper protected, NEMA, IK08 <(>&<)> IP30 rated. Made from 1.2mm mild steel, RAL9003. 12 VDC / 50 Watt Output Power Supply, 110/240 VAC Mains Input.