text: Lighting World Today: LED Hazard Warning Lamp Runs for 4,728 Hours | 485
  TORRANCE, CA — April 7th, 2008 — LEDtronics® announces its LED Hazard warning lamps (BRA304 series). The BRA304 series LED lamp, which operates on 6 volts DC, has a Quick Disconnect type T 3¼ 9mm single-contact bayonet base that mounts directly into industry-standard hazard roadside flashing light socket.
  With the 100,000-hour life of LEDs, the BRA304 series LED lamp offers 20 times the life of a conventional filament road danger lamp. The BRA304 series will light for six months and 17 days or 197 days (4,728 hours) on twin 6-volt DC batteries in flashing mode.