Optex SL-350 TFR Wireless Infrared photoelectric beam detectors

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  • 100 meter outdoor range
  • Quad beam
  • 4 selectable beam frequencies allows in stacking beam towers
  • Alarm indicator LED for fast and accurate optical alignment
  • Long battery life – requires 4 no. LSH 20 batteries (sold seperately)
  • Requires wireless transmitter and reciever (sold seperately)
  • IP65
SKU: SL350QFR Category: Tag:


The SL-350QFR is a 100m battery-powered outdoor active infrared (AIR) beam set which is designed for perimeter security. The Quad beam set is completely wire free and can be quickly installed in remote or hard-to-wire areas. It also features four selectable channels making it easy to stack in beam towers