Whelen Power Air Horn Choose Your Model:Air Horn Tone Only Siren The I3SM comes with a

The I3SM comes with a 12" pigtail

1" high x 18

Available modes: Full spot

Optional half-and-half or interweaved (every other) dual-color options

Whelen Power Air Horn Choose Your Model:Air Horn Tone Only Siren The I3SM comes with aGo undercover with the Power Airhorn Series. This cost effective amplifier creates the same familiar air horn sound used by Police, Fire, and EMS in any type of vehicle. Perfect for volunteer fire personnel and security operations. Perfect for volunteer fire personnel, security, escort and undercover vehicles. Features: An inexpensive supplement to your car horn sound level with a legal* air horn tone. Delivers 100 watts of power to a 100 watt siren