IZYX SYSTEMS push-button SS19, stainless steel, Ø 19 mm, blue halo, 12V DC, NO+NC contact, screw terminal connection + SSP101 stainless steel plate, 39.5 x 84.5 mm, Ø 19 mm hole, ‘Porte + doigt’ and ‘PORTE’ pictograms in Braille.