SICK WL2S-2N3030S06 Photoelectric sensors. SICK WL2S-2N3030S06 is a photoelectric sensors in the W2 family. SICK identifies this exact configuration as manufacturer article 1074792. The official technical record specifies Functional principle: Photoelectric retro-reflective sensor; Functional principle detail: Without reflector minimum distance (autocollimation/coaxial optics); Dimensions (W x H x D): 7.7 mm x 21.8 mm x 13.5 mm; Housing design (light emission): Rectangular; Sensing range max.: 0 m ... 1.2 m 1); Sensing range: 0 m ... 0.55 m 1). The linked SICK data sheet is specific to WL2S-2N3030S06.