The GRAU app enables an even smarter and more relaxed lighting experience. Lights can be dimmed via smartphone and tablet and the Light color adjust them flexibly. Control your Light comfortably - from the sofa or from bed, without having to get up. Dim luminaires easily via smart phone or tablet. Arrange your luminaires in individual groups and control them as a network. Create your best lighting scenes and enjoy your favorite atmosphere quickly and easily. Set your personal light alarm clock by configuring a timed scene.