Baumer Electric IFRM08N1501/S35L Inductive proximity switch - Ultra short - Flush mounting type – Sensing distance Sn 2 mm - Output indicator 3 port LED red - [10 - 30] VDC – 12 mA - Stainless steel - Cylindrical threaded - Dimension 8 mm - Housing length 28 mm – M8 connector - NPN make