The Mr. Beams lantern is a 260 lumen lantern that runs for 15 hours on four D-cell batteries. It is also has a USB charging port can can power three full cellphone charges. Mr. Beams uses LEDs that never need replacing, and it shuts off after 60 minutes, after warning blinks. 

The lantern as a battery-conserving 20 lumen sleeping setting. It weighs 12 ounces, is 7.25 inches tall and 3 inches wide. Available in white and green, the Mr. Beams UltraBright Lantern is $39.99.