Special version: HYGIENE design; Operating range limit: 0.015 ... 0.4 m; Light source: Laser, Red; Protection class: 1; Supply voltage: 10 ... 30 V, DC; Digital switching outputs: 2 Piece(s); Switching output 1: Transistor, Push-pull, Light switching (PNP)/dark switching (NPN); Switching output 2: Transistor, Push-pull, Dark switching (PNP)/light switching (NPN); Switching frequency: 2,000 Hz; Connection: Connector, M8, Stainless steel, 4 -pin; Design, housing: Cubic; Dimensions: 14 mm x 35.6 mm x 20.3 mm; Housing material: Stainless steel; Operational controls: Multiturn potentiometer; Ambient temperature, operation: -30 ... 55 °C; Degree of protection: IP 67, IP 69K