Peterson's 178 Series have everything you could ask for in a marker lamp. 9-32 Volt, water & dust proof to IP67 and manufactured to Peterson's stringent standards, the 178 Series are built to last a lifetime*. Available in your choice of clear or coloured lenses, and with an optional chrome mounting bezel, you can dress up the 178 Series to suit any personality or application. PETERSON, the premium choice in LED lighting!