WerFamily Power Indicator White LED 16mm Stainless Steel Round Metal Self-locking Latching Push Button Switch DC12V Mounting hole size: 16mm; Head Diameter: 19mm; Head shape: Flat; Enclosure material: Stainless steel Switch rating: 3A/250V AC; Switch combination: 1NO1NC; Operation types: Self-locking. LED type: Ring illuminated; LED color: White Degree of protection: IP67, IK10 E-packet post from China (7~15 Days to US), comes with tracking number.