Need to install SAE J595 Class I warning lights without changing the look of the vehicle? The 3861R directional LEDs are compact and colorless until you turn them on. Each of the 20 high intensity LEDs have individual reflectors optimizing the visibility of each light. Seven preset flash patterns provide an array of signal options for different uses. Whether you need to stop or direct traffic or leave your vehicle stationary your vehicle will always been visible. Installing multiple 3861R LED’s on your vehicle and synchronizing them is easy. Built in functionality makes it a snap. Ecco LED safety flashers are all maintenance free for the life of the product.