UST - Ultimate Survival Technologies Duro 60-Day Lantern, Titanium. The 60-Day DURO LED Lantern is a bright, clean light with up to 1200 lumens. It runs 60 days continuously on Low and runs 41 hours continuously on High. Its impact-resistant rubberized housing and unbreakable lifetime LED make this lantern strong enough for the most rugged adventures. 20-PLN0C6D002