【Package Includes】 2 pcs Unique Halo Tail Light Design 4 Inch Trailer/Truck Round Amber LED Parking Turn signal Halo lights assemblies with 64 Amber LEDs light bulbs, the inner light is for turning signal,the outer Halo Light function is for parking tail light. 【Fitments】Fit any Vehicles with DC 12V,such as trucks, trailers, tractors, semi-trailers, utility trailers, dump trucks, buses, boats, UTVs, vans, lorries, caravans, snowmobiles, golf carts, and UTEs. Especially compatible with heavy-duty trucks like Kenworth, Peterbilt, Freightliner, utility trucks, parade floats, off-road vehicles, etc. 【How it Works】This product is designed to be easy to install and can usually be mounted using mounting hardware or brackets. The electrical wiring harness is color-coded as follows: the white wire is negative (-), the red wire is for turning signal high brightness , and the black wire is for parking signal lights (halo light style). Overall, it helps to improve the visibility and safety of trailers/trucks on the road. 【Great Value】 This light uses super bright LED bulbs that emit more brightness and are more visible and longer-lasting than traditional incandescent bulbs. It is designed to be weather-resistant (IP67), with features such as waterproof and UV protection.The Plug-and-Play wire can be easy to install. Introducing WahMOTOTin LED trailer lights, an easy and inexpensive way to upgrade the lighting on your trailer. These lights are designed to provide bright, reliable lighting for your trailer's license plate, tail, side, or rear areas, making it easier and safer for you to travel at night. The lights are made of high-quality materials and are built to last, providing you with a durable lighting solution for your trailer. The lights are IP67 waterproof and dustproof, meaning they can withstand harsh weather conditions and keep working properly. They are also shockproof and vibration-resistant, making them ideal for use on rough roads. These lights are easy to install and come with all the necessary hardware for a quick and easy installation.