Built in USB charging system to charge 2 devices simultaneously. LED light system with adjustable steel neck for lighting bag contents or work area. 3 zippered compartments and 36 pockets to organise your tools. 4 charging wall pockets, built-in USB ports, power bank pocket and 15.6 inch laptop sleeve. Large pads on back for extra carrying comfort. Dimensions approx.: 56x38x36 cm Tool Backpack, USB E-Charge LED Lighted