SICK GS6-D4311S66 Through-beam photoelectric sensor. SICK GS6-D4311S66 is a archive in the G6 family. SICK identifies this exact configuration as manufacturer article 2110027. The official technical record specifies Functional principle: Through-beam photoelectric sensor; Sensing range max.: 0 m ... 10 m; Sensing range: 0 m ... 8 m; Polarisation filter: No; Light source: PinPoint LED 1); Type of light: Visible red light. The linked SICK data sheet is specific to GS6-D4311S66.