Features: Insulated thermal tip-up designed to prevent hole freeze-over Exclusive compatibility with the Sidekick WiFi Sonar Transducer Allows remote monitoring of tip-ups from up to 300ft when paired with Sidekick Real-time sonar feedback via Vexilar App or Vision X10 head unit Magnetized flag system provides bite-triggered flag alerts Highly visible red flag and black base for long-distance visibility Injection-molded ABS construction for durability and lightweight handling Hook keeper magnet prevents hook tangles during transport Storage compartment for Sidekick cable or additional tackle Sidekick not included Technology: Sidekick integration enables remote sonar monitoring and flag alerts Magnetized flag system for reliable bite detection Insulated design helps maintain an open fishing hole ABS molded construction for strength and cold-weather performance SPECS: Material: injection-molded ABS Compatibility: Sidekick WiFi Sonar Transducer Alert system: magnetic flag trigger Storage: built-in compartment for cable or tackle