This Nebo combo pack puts two popular lights together: a Lil Larry Flex pocket work light and an Einstein Duo 400 Flex headlamp. The Lil Larry is a slim work light with a COB panel along its body, a pocket clip and a magnetic base for hands-free use on a car or steel surface. The Einstein headlamp gives up to about 400 lumens on an adjustable headband for camping, fishing or working in the dark. "Flex" in Nebo's naming refers to Flex-Power, which lets a light run on its rechargeable battery or on disposable batteries as a backup. Check the packaging for outputs, modes and battery details of each light.