The Sekonic Litemaster Pro L-478DR-PX light meter for Phottix is an optional accessory for measuring the intensity of light to ensure you get the correct exposure when taking an image. Keeping pace with wireless advancements, the L-478DR-PX comes complete with exclusive Phottix wireless triggering technology which combines light measurement with triggering as selected Channels and Groups providing amazing control in your hand. Compact and lightweight the PRO L-478 is comfortable and intuitive to use. The full colour 2.7-inch LCD touch screen displays ambient, flash, cine and other information in a clear and easy to understand format.