This under Hood or Under Hoist work light can operate either cordless from the internal 11Ar Lithium Ion Battery or from the provided 16 foot 110V charging power cord. Two light output levels 550 or 1050 Lumens Runs up to 2-1/2 hours cordless or continuous from 110V power charging cord. IP65 dust and water resistant. Hood hangers extends to 77 inches and ratchets to put light on the work area. Also great for under hoist or interior work when hooked on "A" pillars.