This model is completely waterproof. Designed to be used with all Prosport Electric Boost gauges. Be sure to use an in-line filter(supplied with all of our boost gauges) to extend the life and accuarcy.
*Note: This includes the sender and 9ft. wiring harness (with waterproof connector) to use with our premium series gauges. If you are purchasing this as a replacement for a performance or digital series gauge, please see the related products below.