The Whelen Four Outlet, Four Channel LED Flasher is a flasher equipped with four outlets and four channels, providing an extensive range of 62 scan-lock flash patterns that enable alternating, simultaneous, and synchronized flashing light heads. Each channel is designed to operate at up to 5 amps (equivalent to 60 watts) and comes equipped with protection against thermal and short circuit damage. This device includes input controls that enable scan-lock and synchronization. The Whelen Four Outlet, Four Channel LED Flasher has a full encapsulation design to make it shock-resistant and water-resistant.