South West Trains 707 006, one of 30 five-car units of type Desiro City built by Siemens. These are intended to operate on the 41 km line between London Waterloo and Windsor & Eton Riverside from 2017. Maximum speed 161 km/h, capable of operating from both side rail (750 V). As an option for the future, can be equipped with pantograph and transformer to operate under overhead wires (25000 V).
InnoTrans, Berlin, September 2016