Seco-Larm Seco-Larm E-960-D190Q ENFORCER Twin Photobeam Detectors with Laser Beam Alignment, 190ft (60m) Outdoors, 390ft (120m) Indoors MSRP: Was: Now: $89.93
Seco-Larm Seco-Larm SK-910RBQ Single-Channel RF Receiver, 11~24 VAC/VDC, 315MHz MSRP: Was: Now: $36.18
Seco-Larm Seco-Larm E-931-S50RRLQ ENFORCER Large Reflective Photoelectric Beam Sensor with Large Reflector MSRP: Was: Now: $166.72