The FHL-CHG is a solid-state vehicle headlight flasher manufactured by Federal Signal designed specifically for emergency, police, and work vehicles like the Dodge Charger and Durango.
Voltage Range: Operates on 10V to 16V DC
Selectable Patterns: Features 7 user-selectable flash patterns configurable during installation.
Safety Protections: Includes high-beam deactivation (override), low-voltage protection, reverse polarity protection, and automatic nighttime cut-off.
Build: Solid-state electronic design
Units are new old-stock, and have never been installed but may not have a box, instructions, etc.