Short range photoelectric detectors, compact in design with selectable beam frequencies
Filters
Filters
20m indoor/outdoor hardwired active infrared beam
40m outdoor AIR beam hardwired
60m outdoor hardwired Infrared beam
30m outdoor AIR beam battery-powered with channel selection feature.
30m outdoor Infrared beam hardwired with channel selection feature
60m outdoor Active Infrared beam hardwired with channel selection feature
60m outdoor active infrared beam battery-powered with channel selection feature