Stop signs and cautions are key in every work environment, especially areas where there is non stop heavy vehicular movements control e.g PORTS, CONSTRUCTION SITES, ROAD CONSTRUCTION PROJECTS etc.That is why as always we have taking a step further to provide you with premium quality hand held electronic stop safety signs, designed using best quality eye catching brightness, which also illuminates brightness even in the darkest knights. we also have sign boards of different sizes and shapes. Recomended for: Construction sites, workshops, factories, laboratories, road construction sites, offshore oil platforms, work environments etc. contact: PRINCE ZUBEK NIG. LTD., for further inquiries.