... to 100mm , NPN Transistor OutputE3Z-D61 0.5M Diffuse-Reflective Type , Pre-Wired Type , Sensing Distance 5 to 100mm , NPN Transistor ... OutputE3Z-D61 2M Diffuse-Reflective Type , Pre-Wired Type , Sensing Distance 5 to 100mm , NPN Transistor ... OutputE3Z-D61 5M Diffuse-Reflective Type , Pre-Wired Type , Sensing Distance 5 to 100mm , NPN Transistor ...