* LIGHT ON/ DARK ON SELECTABLE BY CONTROL WIRE.
* DIFFUSE REFLECTIVE, THROUGH-BEAM TYPE.
* REVERSE POWER POLARITY PROTECTION, OVER CURRENT PROTECTION FUNCTION.
* EXTERNAL SENSITIVITY ADJUSTMENT VOLUME.
* DETECTING DISTANCE : 100 MM, 200 MM, 400 MM, 4M, 20 M.
* IP 66 (IEC STANDARD).
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