Compared to superior equipment, tugging with friction on the belt and a mitliefern Neztteil gathering dust, this device is solidly built. A 230V motor (power supply is unnecessary) drives via a gear the winding roller reliably. Easy assembly with extensive programming options. Unfortunately unrivaled and therefore expensive pork! Trost: The predecessor has> 10 years work and could (38 euros) to be revived with slight tinkering and replacement motor.