The New PowerSmith 3000 Lumen Dual-Power LED Clamp Light operates as an AC light using a standard extension cord or as a DC (cordless) light using its Built-In Lithium-Ion Battery. It recharges with a standard extension cord or USB-C ports. The Clamp opens to 2-1/2 inches to clamp onto 2X lumber, pipes, ladders and more! Use it on late night tailgating events and clamp it to your truck or SUV tailgate. Light up outdoor gazebos, patio steps or other areas that do not have access to AC Power. The stong magnets attach to any magnetic surface. Hang the light with the folding hook or nail it on the jobsite with the keyhole slot. The Clamp light features a battery power indicator and includes USB-C charging cables. Use a standard extension cord or 2 USB-C cables for quick charging. Backed by a 5 Year Warranty and US Based Customer support.