Specifications include, but are not limited to: Sequential LED Road Safety Flare – The road flares shall be capable of synching to each other via radio to form a sequential flashing pattern along the roadway. The flares shall be “ice cream sandwich” type. All flares shall be orange in color with flashing yellow amber lights. The flares shall be: Powered by 4 inexpensive off-the-shelf AA-Alkaline Batteries, No tools required to change batteries, 3-4 days of continuous (24hrs) use battery life (pattern and LED dependent), 360 degree viewing angle, Rugged over-molded TPE (can be driven over, dropped, etc.), Use in all types of weather (rain, snow, sleet, fog, etc.), Radio mesh network (No master or slave; no infrared communication), 50+ foot range (15.2 meters) between flares, Have no limit to the number of flares in a string