SICK WLG16P-2416H120A71 Photoelectric sensors. SICK WLG16P-2416H120A71 is a photoelectric sensors in the W16 family. SICK identifies this exact configuration as manufacturer article 1220929. The official technical record specifies Functional principle: Photoelectric retro-reflective sensor; Functional principle detail: Without reflector minimum distance (autocollimation/coaxial optics), ClearSens; Sensing range min.: 0 m; Sensing range max.: 5 m; Maximum distance range from reflector to sensor (operating reserve 1): 0 m ... 5 m; Reference reflector: Reflector P250F. The linked SICK data sheet is specific to WLG16P-2416H120A71.