That this scroll saw runs on a cord means a constant, stable supply of power. It has a voltage of 230 volts and can cut through 60 millimetres of wood.
From Amazon
PROXXON MicroMot Professional 2-Speed fretsaw DS 460 No. 27094 for Modelling and Making Toys.
Conrad Electronic
Proxxon Micromot DS 460 2-Speed Scroll Saw