Like having an experienced fishing guide in your pocketKnowing when the fish will feed makes your time on the water more productive. These pocket computers use location-specific solunar information, combined with barometric pressure to optimize your time fishing by giving you the best times to fish anywhere. Four-hour future feeding prediction, and feeding forecasts through 2099 will put you ahead of the game. Each compact unit weighs just 3.6oz. and features an easy-to-read backlit display, 24-hour barometer history graph, accurate 12-24hr. weather forecasts and severe weather alarm. Mariner's Edge also provides tide data with integrated tidal charts for 540 U.S. ports, plus high and low tide times and heights. Carry cases included on both models.