Shop Nilight 4.4 Inch Aluminum Housing Tail Light 2 PCS 16 LED Amber Left Right Turn Signals Marker Lights Surface Mount IP67 Waterproof for 10-30V RV Camper Trailer Truck Bus Boat in high quality, support 2 year warranty. Compared to plastic shells, aluminum shells can accelerate heat dissipation, improve the service life and performance of the entire light. And there is no need to worry about the bottom shell breaking due to excessive force during installation.