Elesa+Ganter Proximity switches GN 893 1/2/3 Parts included in the supply: One levelling shim in plastic and two M4 Stainless Steel cap screws. Technical data LED-Indication: - green: operating voltage. - red: switch position, closed. - yellow: switch position, open. Accessories: Cables with connector coupling 4-pin, 5 and/or 10 meter long: GN 330-M12x14-G-5 and GN 330-M12x1-4-G-10.