<p>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. The switch can be use as a switch for various additional electric equipment, inside & outside the car.Great for Electric Switch, Relay, Power Button Switch, Door Switch, Led Switch or any circuit controls.High quality metal material & IP67 waterproof protection can be used in wet or dusty enviroment. <br></p> <p><b><br></b></p> <p><b>What's the Customer Support: If you have any questions, feel free to contact us by E-mail any time.</b><br></p>