Led Solar Powered Light, Aviation aids to navigation, Complient to ICAO TYPE B/FAA L-810. LT108 Solar ... towers, wind generation and any other potentially hazardous obstructions to air traffic.Specifications DescriptionParameterInternational standardICAO( Annex 14)Low intensity ... is the battery, please replace it periodical to make sure the light can operate well, suggest to replace each one year.Please ...