Compatible with most aftermarket alarms</br>Keeps remote starts from activating</br>Adjustable design</br>Self-grounding through chassis</br>5-pack</br>Sturdy?? easily-adjusted switch used for protection of entry points</br></br>Product Description</br></br>Used for keeping remote starts from starting when the hood is up. Can also be used for security systems?? doors and windows.</br><br/>http://www.amazon.com/gp/product/B0009SXOVA