Momentary Push Button Switch, URTONE UR195, 1NO SPST DC 30V AC 250V 3A Stainless Steel Metal Shell Suitable for 19mm 3/4" Mounting Hole (Silver) Momentary Type: Push & Hold - ON, Release  OFF Mounting Hole Size: 19mm; Switch Rating: 3A/30VDC, 3A/250VAC; Switch Combination: 1NO Easy to Install: Screw clamp type terminals, dont need to solder IP65 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