... -810). LS707-2 Aviation obstruction light for marking towers (Telecom, GSM, Microwave & TV), cranes, hoists, smokestacks, buildings, sport stadiums, ... and any other potentially hazardous obstructions to air traffic with a steady or flashing red safety light.Specifications DescriptionParameterSupply ... 1999; ICAO Annex 14Certificate: SABS certificate Telecommunication Tower Light With Low Intensity