When you are on the water, you don’t have time to search for important data like water depth or water temperature. With Overlay Data, that won’t be an issue. Just set up onscreen data overlays and then link the overlay to the desired data source (if necessary) – like a temp sensor, transducer, etc. Subscribe to Lowrance on YouTube: https://www.youtube.com/user/lowrance Like Lowrance on Facebook: https://www.facebook.com/Lowrance/ Follow Lowrance on Instagram: https://www.instagram.com/lowrancefishing/ Follow Lowrance on Twitter: https://twitter.com/LowranceFishing/