System Sensor 6500 LRK Long Range Beam Detector Reflector Kit, 70 to 100m SYSTEM SENSOR Monterrey System Sensor 6500 SMK Beam Detector Surface Mount System Sensor 6500 SMK , , ,. 6500 MMK multi mounting kits allow 6500 beam smoke detectors to be mounted to ceilings or to walls where the detector and reflector cannot be mounted within 10 of one another. When using the smoke detector, the distance piece BEAM SMK is also required. One kit mounts either the transmitter receiver unit or reflector. Additional information Weight 2 lbs Condition New Brand Fire Lite Production Status Active Open Datasheet