This heated work jacket will keep you warm and dry on the job site The Sealey WPHJ05 is an extra small Waterproof Jacket with three carbon fibre heating elements, one on the back and 2 on the chest. The heat is controllable by colour-coded buttons. This jacket will keep you warm on the coldest of days or provide a subtle warmth if you choose. Power bank not included but required, recommended 2A output for optimum use. Features:    Waterproof jacket with three carbon fibre heating elements Heating elements are in the back and each side of the chest Three different heat modes are controlled by colour changing button (Blue - Low, Green - Medium, Red - High) Power bank not included but required, recommended 2A output for optimum use Specification: Current Draw: 6W Size: Extra Small