https://www.hpwinner.com/products/ts31a-led-tunnel-light/ TS31A LED Tunnel Light The wattage range of TS31A Tunnel LED Light 40W-240W TS31A' s housing is made of aluminum which adopts whole structure heating dissipation design with best thermal conduction. With IP68 LED modules can flexibly reach desired power consumption by choosing appropriate light engines. Various of lighting distributions are available for different tunnel and underpass applications.