The maximum volume capacity for frothing is 150ml while the maximum volume for warming milk is 300ml. Exceeding these amounts may result in the milk overflowing, 4 Preset Functions: The four preset functions include:, 1. Warm Milk Only (300ml Capacity): Perfect for preparing warm milk for hot beverages., 2. Warm Milk with Thick Froth (150ml Capacity): Creates a dense, creamy froth perfect for cappuccinos., 3. Warm Milk with Light Froth (150ml Capacity): Delivers an airy froth suitable for macchiatos and lighter coffee creations.