The BI2-S12 Model is a 3-wire inductive proximity sensor developed by Nidec-SHIMPO. It is protected against overload and short circuit due to its protection rating of IP 67. This unit comes with LED output indicator, 6.5" cable, 0.08" sensing distance, and a 1.5 kHz frequency NPN sinking output. In addition, it can withstand a working temperature of -25 °C to +70 °C.