Fiber optic sensor RL61-LL-IR-Z/115/136 RL61-LL-IR-Z/115/136 Cost-effective series for standard tasks in a special design Compact design Wide range of mounting options thanks to cubic housing design with M30 thread 360° high visibility LEDs Programmable timers for ON-delay, OFF-delay, and One-shot timers 4-in-1 output (push-pull) Version with infrared light Includes universal fiber adapter kit