Ulincos Momentary Pushbutton Switch U16B1 1NO Silver Stainless Steel Shell with White LED Ring Suitable for 16mm 5/8" Mounting Hole (White) Momentary switch: Push & Hold,ON; Release,OFF Easy to install, it has non-solder connections,screw-type terminals to make fitting very easy The switch and LED are separated, LED can be on all the time or only on when switch is on,depending on how you wire it Stainless steel shell,100% brand new and high quality,mechanical life for 500,000 cycles Great for electromagnetic starter, relay, Horn Button Switch, PC Power Switch or any circuit controls