At your command, this in-bed tank transfers up to 60 gallons of fuel on-the-go.++ The TITANT Solid State, Electronic Controller lets you know how much fuel remains in your tank at all times. With the touch of a button, the controller pumps a preset amount of fuel into your main tank or another touch stops it at any time.-LIFETIME WarrantyThe controller is very compact and can be easily installed anywhere in your cab. This fully baffled tank comes with a "Free Spinning" locking cap and all mounting hardware is included. At 19 ?" high, the tank will fit under most standard tonneau covers. This system fits most all full-sized diesel pickups regardless of bed length.TITAN'sT cross-linked polyethylene (XLHDPE) in-bed tanks give you the advantages of advanced design and materials, as well as TITAN's legendary quality and durability.