BioLite FlexLight USB Powered Flexible Light Flexible Neck: Spotlight a variety of tasks without having to move your power source Tap On/Off/Dim: Turn lights on with the tap of a finger. Press and hold to dim easily to desired levels. USB-Friendly with power pass thru works with any USB port including BioLite CampStove and BaseCamp Low Draw: Requiring very little power, a great light for power outages FlexLight provides 100 lumens of light