Feature●Horn Assembly Compatible with 2005 E150 Club Wagon , 2005-2014 E150 , 2005-2014 E250 , 2005 E350 Club Wagon , 2005-2023 E350 Super Duty , 2008-2010 F250 Super Duty , 2008-2010 F350 Super Duty●Direct replacement - with mounting bracket, easy to install or replace●Each horn is tested to assure maximum performance. Available in high or low note horn.●Horn frequency : H: 495HZ , L: 405HZ●1 year warrantyDescription