... , seven kinds of color.Application:1) Construction signage: building sign, region sign, department sign, house sign, etc.2) Public signage such as NO smoking ... logo, slogan, etc.4)Traffic sign: name of road, sign of caution or ban, route of bus, sign of bus stop, etc. Advantages ... )The lifetime of LED can be up to 8-10 years.7 )Convenient for use8 )Safe9) Low heat emitting CE ROHS electronic LED Signs