Print mark contrast sensor, 300 mm detection range, red laser light, laser class 2, light/dark on, sensitivity adjuster, push-pull output, emitter switch-off, M12 plug, Laser print mark contrast sensor for recording very small print marks, Large focus depth range from 3 mm ... 300 mm, Laser class 2, eyesafe, Adjustable sensitivity, 30 µs response time, suitable for extremely rapid scanning processes