$25 off orders over $75 + free shipping with rebate. Promo code: FLINGBefore your next power outage, get the peace of mind from having a reliable, long-lasting lantern. The 30-Day Lantern is water- and impact-resistant, and glows for 30 days on its low setting. It even has a flashing mode that spells “S.O.S.” in Morse code. Ideal for camping and boating, the 30-Day Lantern hangs from the top or bottom for optimum light in any situation.