URTONE Momentary Push Button Switch, UR162, 1NO SPST DC 30V AC 220V 3A Stainless Steel Metal Shell Suitable for 16mm 5/8" Mounting Hole &ndash; Silver Momentary Type: Push & Hold - ON, Release  OFF Mounting Hole Size: 16mm; Switch Rating: 3A/30VDC, 3A220VAC; Switch Combination: 1NO Easy to Install: Screw clamp type terminals, dont need to solder IP67 Waterproof & IK08 Protection: Rustproof, can be used in wet or dusty environment Used widely: Great for Horn Button Switch, PC Power Switch, Kill Switch or any circuit controls