Universal thru-beam sensor, large housing design, 30 m detection range, red light, 25 kHz transmission frequency, light/dark on, DC version, push-pull output, timer function, test input, pre-fault output, terminal compartment, Universal series with highly versatile fields of use, Resistant against noise: reliable operation under all conditions, Highly visible LED as alignment aid in receiver optics, Programmable time function GAN, GAB, IAB as well as GAN-IAB and GAN-GAB as double function