Update your semi with proper alarms to notify spectators of a reversing vehicle, with the ECCO Smart Alarm® 12/24V 87/112 dB Sound Level Back-Up Alarm that ensures you're Ready for the Road Ahead™. Thanks to its ability to create an audible sound, this replacement component is the ideal choice to promote safety any time a vehicle is in reverse. Crafted with a durable weather-resistant construction to operate in all types of environments. FleetPride is your First Click in Heavy Duty®.