With its screw-on traffic wand, Pelican's new 2490 LED makes flight deck FOD (foreign object damage) a thing of the past. powered by 4 AA batteries, the 2490 LED's produces 64 lumens of clean bright light to ensure maximum communication visibility. and, with a run time of 12 hours, the 2490 LED will outlast a full work shift, including over-time. at the bottom of a cargo hold or up on the flight deck, the lightweight polymer body is corrosion proof, resistant to extreme temperatures, and is weather resistant using an O-ring sealed shroud and wand.