The Ecco 12/24V 87 / 107-Decibel Multi Frequency Smart Alarm is the perfect choice for protecting your vehicle from reverse voltage. This alarm is designed to be mounted both vertically and horizontally, making it easy to install in any vehicle. It features a multi-frequency smart alarm with dual volume options, allowing you to choose the level of sound that best suits your needs. The alarm also has a built-in LED indicator light, so you can easily monitor its status. Its compact size and durable construction make it the perfect choice for keeping your vehicle safe and secure. FleetPride is your First Click in Heavy Duty®.