The Great Wave technology combines rotation and various water power. It gives the same washing efficiency as hand washing, but saves water and washes faster. Quick washing in just 15 minutes. Color alive program (uses cold water for washing) is for longer lasting bright colors as it offers 39% less color bleaching and 45% reduction of clothing deformation compared to using hot water. Real Inverter runs 10% quieter, more efficient and durable. 5 years overall guaranty and 10 years on the motor.