Easy push-button programming automatically adjusts sensitivity to optimal setting. Multiple sensing modes include: Polarized Retro, Clear Object Detection, Diffuse, Divergent, and Convergent, plus Glass and Plastic Fiber Optic models. Fast, 500 microsecond(0.5 millisecond) output response. Bipolar NPN (sinking)/PNP (sourcing) outputs. LED status indications for received signal strength (using Banner's patented AID function), power ON and output state. Separate TEACH input allows remote programming by an external device, such as a switch or a process controller. Choose models with integral 2 m (6.5') cable or 5-pin Euro-style quick-disconnect (QD) connector; 9 m (30') cables are also available.