The UCO Arka LED Lantern is a great addition to any emergency our backpacking kit. In addition to supplying light, it will also charge any of your USB devices like cellphones or GPS. The white LEDs provide 180 lumes of diffuse light in lantern mode and will last up to 100 hours. And in flashlight mode, it projects a bright beam up to 250ft. It also contains 3 red LEDs for emergency, SOS mode. The USB port on the side has a 1Amp output that can recharge a phone fully 2 times, so you'll never be out of communication even in a disaster situation. The lantern comes with a wall charge and standard USB to mini USB cable. Dimensions are 7.75in x 2.5in. Weighs 7.5oz.