WerFamily 19mm Red Waterproof Momentary Type Stainless Steel Metal Push Button Switch Flat Top 250V 5A 1NO SPST High quality and long lasting. Mounting hole size: 19mm; Head Diameter: 22mm; Head shape: Flat; Enclosure material: Stainless Steel; Color: Red. Switch rating: 5A/250V AC; Switch combination: 1NO; Operation types: Momentary (Resettable) Degree of protection: IP67, IK08 Brand New. E-packet post from China (7~15 Days to US), comes with tracking number.