CHARGES SMALL ELECTRONICS: Plug the provided USB into your wall adaptor and the other end into the lantern. A solid green light will indicate a full charge. It can, also, be used as a power bank. The USB output port can supply power to your cell phones, fitness trackers, digital cameras, and other small electronics. FOUR MODES: Press the power button once to turn on low, twice to turn on medium or press the power button three times for high to illuminate your space. Press and hold the power button for variable brightness settings. 750 LUMENS: This lantern uses an industry-leading Cree LED that will last the lifetime of the product. With a max light output of 750 lumens, this light is perfect for campsite, hiking trail, projects around the house, and emergency situations. IPX4 RATING: This light is built to work while exposed to common inclement weather such as light rain, but please do not submerge.