OPTEX HX80 detectors 862-01-HX-80NRAM OPTEX HX80 detectors 862-22-HX-80NRAM OPTEX Xwave2 HX 80 RAM wireless outdoor detector 862-01-HX-80NRAM-LC OPTEX HX80 wireless ready - low current detectors 862-01-HX-80NAMC OPTEX HX80 detectors 862-01-HX-80NC OPTEX HX80 detectors