Retroreflective sensor RLK28-55-V-Z/31/116 RLK28-55-V-Z/31/116 Universal series with highly versatile fields of use Noise resistant: reliable operation in any condition Foreground suppression, suitable for recording shrink-wrapped sheet objects Programmable time function GAN, GAB, IAB, as well as GAN-GAB and GAN-IAB as double function Version with red light Relay output version