The 58.8m-long 1.5kV dc EMUs will accommodate up 299 passengers, 176 of them seated, including 15 in first-class accommodation. The low-floor sets will offer barrier-free entry with a multi-functional areas for pushchairs, bicycles, and large items of luggage.

The 80km/h trains will be based on the Stadler metre-gauge EMUs already in service with the Nyon-St Cergue-Morez Railway (NStCM) and Fribourg Public Transport (TPF) in western Switzerland. Assembly will be carried out at Stadler's nearby Bussnang plant and the fleet is due to enter service in mid-2018.

The contract includes an option for four intermediate trailers to lengthen the trains to five cars.