Truck-Lite’s low profile LED Solid-State Warning light meets or exceeds SAE Warning Lamp Standard J845 Class 1 legal functions at 12 volts to 16 volts. It is operational down to 8 volts, at temperatures from minus 40 degrees F to plus 158 degrees F. All optics are internal, and each light operates with peak current of 3 amps to flash its 18 light-emitting diodes. The SWL can be wired to provide dual or quad flash patterns. Options include a yellow (amber) lens or a clear lens with yellow LEDs. The SWL screw-on lenses require no tools for replacement.