4Pcs 3.4 Inch Aluminum Housing Red/Amber LED Clearance Side Marker Lights, Surface Mount Marker Lights of Trailer Pickup Truck Tractor RV Motorcycle Golf Cart, IP67 Waterproof(2Red +2 Amber)[Super Bright] The trailer marker lights built in 4pcs high quality LEDs, emit super bright light, visible from far away even in harsh weather conditions, IP67 Waterproof; [High Quality] Sturdy construction, aluminum alloy base instead of plastic base, better heat dissipation, more perdurable; Polycarbonate Lens, high impact resistance and nice transparency [Wide Application ] Ultra slim design, can install almost anywhere; Universal for all 12V