Our primary focus of design on this product was to BRING MAXIUM AWARENESS & SAFETY to the lone worker. These individuals are the last ones in the train and should not go unseen and feel unsafe. This is an instructional video on set up & functionality of the HELIOS – C. This video also demonstrates the luminary spread and output at 9′ / 1000 sq/ft of light radius 70 fc to 6 fc outer ring. Helios – C is Patent Pending and Proudly Made In The USA! BE SAFE – BE SEEN!