Retroreflective sensor RL28-55-V-Z/47/82b/116 RL28-55-V-Z/47/82b/116 Foreground suppression, ideal for detecting shrink-wrapped items Ultra bright LEDs for power on, weak signal indication and switch state Programmable time function GAN, GAB, IAB and GAN-IAB as double function Resistant to ambient light, even with energy-saving lamps switched on Waterproof, protection level IP67 Protection class II