HUMMINBIRD 600041-4 SMARTSTRIKE WISCONSIN V4SmartStrike helps you find more fish by using search parameters like species, season, time of day, and weather. It analyzes millions of data points depth, structure, proximity, and more to highlight likely fishing spots. Create custom searches or use the Find Similar Areas tool to instantly locate matching locations on the lake. Key Features: Compatible with many Humminbird legacy models, ONIX ION, and SOLIX units Full SmartStrike search functionality