This kit engages your cattle siren within your vehicle by the momentary push button. Use with any Pierce cattle siren. Includes 10 feet of 16 gauge 2 conductor PVC insulated wire, 1 push-button switch, ATC/ATO Fuse holder, ATC/ATO fuse, ring and push-on terminals, and butt connectors. This comes with a fuse, wire for installing, and the momentary switch for inside the cab.