The all-electric fire truck has been 2 years in development, and is seen as a good fit for rapid response situations, with charging undertaken on site at the FHKW-Mitte fire station between calls. The vehicle is based on Rosenbauer's KLF-L emergency vehicle, which is itself based on a Mercedes Sprinter, and is 7.45 meters (24.4 ft) long with a 4.325 m (14.1 ft) wheelbase. The conversion to an electric powertrain is reported to have taken around 2 months.