Air Horn Kit Sniper Remote Control Horn Activation System; Remote Control; Incl. 2 Remote Control Key Fobs/Wiring/Instruction Manual; FEATURES: Lets You Blow Your Train Horns Outside The Vehicle Remotely control your air horns from up to 300 feet away with The Sniper(TM). They'll never see you coming. Features easy installation and complete instructions. For use with any air horn system that uses a momentary button and electric solenoids. Kleinn automotive air horns offers complete air horn kits, train horns, roof mount truck horns, air systems kit accessories and off road lift kits.