The Adventure lantern is a powerful 1800 Lumen rechargeable lantern. It features four light functions including high, medium high, med low and low. With the variety of brightness modes it allows you to have the right amount of light for any situation along with controlling the run time. With a 4500 mAh lithium-ion rechargeable battery this lantern has a 6 hr charge time and has a USB output port to charge devices. Lumen output for each light function. 1800 high, 750 med high, 350 med low, 80 low. The lantern has up to a 22 hr and 45 min run time while producing 80 Lumens. This lantern is also weather-resistant and includes foldaway clips for hands-free use.