Water-resistant jacket with three carbon fibre heating elements. Heating elements are in the back and each side of the chest. Three different heat modes controlled by colour changing button (BlueLow, GreenMedium, RedHigh). Power bank not included but required, recommended 2A output for optimum use. Features & Benefits:Water-resistant jacket with three carbon fibre heating elements.Heating elements are in the back and each side of the chest.Three different heat modes controlled by colour changing button (BlueLow, GreenMedium, RedHigh).Power bank not included but required, recommended 2A output for optimum use.Model No. WPHJ04 Specifications: Model No WPHJ04 ½ Bottom Width: 61cm ½ Chest Width: 63.5cm Across Shoulder: 53cm Brand: Sealey Current Draw: 6W Front Length: 76cm Nett Weight: 0.780kg Size: Extra-Large Sleeve Length: 68.5cm