1.Solar Obstruction Warning Lamps. 2.solar aviation light, solar aviation obstruction light, solar warning light, Solar Obstruction Warning Lampssolar aviation light, solar aviation obstruction light, solar warning light, LED solar aviation lightModulesSDA-155Working Voltage12v±20%Static Current10mA Visual range20 Nautical MileLight Color Optionsred, green, whiteFlash Frequency20-60 times/min ( ...