WerFamily 16mm Angel Eye Yellow LED Waterproof Flat Stainless Steel Metal Push Button Switch Resetable Momentary Type 3V 4 Pin Mounting hole size: 16mm; Head Diameter: 19mm; Head shape: Flat; Enclosure material: Stainless Steel Switch rating: 3A/250V AC; Switch combination: 1NO; Operation types: Momentary Type (Resetable) LED type: Ring illuminated; LED color: Yellow; LED Voltage: DC 3V (It can be applied to no more than DC 24V circuit after connecting the resistance we provided.) Degree of protection: IP67, IK10 E-packet post from China (7~15 Days to US), comes with tracking number.