Information Brochures SEMS F05-0120 Mod Kit SEMS F05-0123 Relay Board SEMS F05-0126 Current Source Mod Kit SEMS F05-0127 Time Delay Kit SEMS LX SERIES OPTICAL PINHOLE DETECTOR SEMS SERIES IV AUTOMATIC LED PINHOLE DETECTOR General Specifications SEMS SERIES IV MANUAL LED PINHOLE DETECTOR SEMS LED LIGHT SOURCE PHD.Manual.2015.Rev.19 F11b70g5 PHD Footprint Drawing SEMS AdminInformation Brochures08.07.2014