Streamlight's Super Siege Rechargeable Lantern provides both exceptional lighting and an auxiliary USB power source to charge mobile devices or other Streamlight products.The Super Siege includes 4 red LEDs to preserve night vision and flash SOS. A removable glare guard creates the option of task lighting, and its 8800mAH lithium-ion battery capacity gives up to four full charges for most smartphones.A white C4 LED features three lighting modes:High: 1,100 lumensMedium: 550 lumensLow: 125 lumensFeatures:Durable polymer constructionRubber molded base provides stability on slippery or uneven surfaces