The hard wired TruXedo B-Light is an under-rail truck bed lighting system that illuminates the entire bed with one switch that mounts conveniently in the truck cab. This is the perfect accessory for pickups with toppers, lids and tonneau covers to see what you have in your truck bed, especially at night. It always comes in handy. The B-Light system is compatible with all makes/models of pickup trucks, and every style of truck bed cover. The kit contains eight led light pods with six LED bulbs in each to light every corner of the truck bed.