Call For Pricing - 800 Ìâå¥ 685 Ìâå¥ 5267 Medium Intensity White Strobe Obstruction Lighting - FTB 304 - Flash Tech Application: The Flash Technology FTB 304 is an FAA type L-865 white strobe that provides a white strobe for day, twilight and night operation for structures under 500ÌâåÕ Medium Intensity White Strobe Obstruction Lighting - FTB 304 - Flash Tech Part number - Flashtech-FTB-304