Sekonic Litemaster Pro L-478 series meters are the world's first touch screen controlled light meters. They have a number of unique must-have features for breastfeeding and movement history detectors. Its compact size is instantly familiar and convenient to use. A large LCD (2.7 inch) displays environment, flash, cine and many other information in a clear and understandable way. The settings are made by simply touching or sliding a finger across the screen.