Omron L User Manual page 7

Introduction
ZX-LD
Never look into the laser beam.
Doing so continuously will result in visual impairment.
Do not disassemble the product.
Doing so may cause the laser beam to leak, resulting in the danger
of visual impairment.
ZX-LT
Do not look into the laser beam.
Doing so continuously may result in visual impairment.
ZX-L-N
vi
User's Manual
Laser Safety
/ZX-LD30V Reflective Sensor Type Sensor Head
Through-beam Type Sensor Head