Item Name:photoluminescent sign Material:aluminum, pvc, stainless steel, vinyl Size:250mm*250mm,100mm*300mm,customize,etc pictograms:according to customers' requirements glow color:yellow-green, blue-green, sky-blue, etc luminance:JIS-S level, or according to customers' requirements function:help people find a way out quickly in emergency evacuation feature:charge light much faster, the afterglow time is very long lifespan:30years application:supermarket, subway, office building and many other public places. Show More