January 14, 20251 yr please advise me of the differences between an Optex AX 70-TN and a Optex SL 200QDP. The proposed location is no more than 20 metres. Does the more expensive unit have a technical advantage?
January 14, 20251 yr Author Optex AX 70-TN has twin beams 20m range, single channel detector. and a Optex SL 200QDP has quad beams with range if 60m, 4 selectable channels and adjustable beam power
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