SICK - Germany Part number : GTB6-N1211 (1052441) Detection principle : Background suppression (BGS) Sensing range (max.) : 140mm Light spot size (distance) : Ø 6mm (100mm) Type of light : Visible red light Light source : PinPoint LED Output : NPN Connection : Cable, 2m, PVC Switching mode : Light/dark Adjustment : Potentiometer