Use this relay harness to avoid the trouble of installing after-sales speakers. This relay kit will make installation easy! This harness allows you to choose to use existing and aftermarket speakers, while maintaining your factory horn buttons with a simple setting. Since most car only has one horn,if you want install an extra pair of horns,it is necessary to use this relay harness kit.This relay harness kit will minimize the modification and make the installation super easy! Connect up to two horns easily and long lasting. Universal for most grille mount electric blast horns. Heavy duty, High efficient, Heat resistant, Never melt<br><br>Voltage:12V Colour:As shown Material:Metal + plastic<br><br>Package Contents: 1 * Horn Wiring Harness 2 * Cable Ties<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.