Flipsky Hall Sensor Throttle Remote Controller VX4 PRO Self-Contained Feature Buttons Color Display Eskate Remotenote: compatible with ESCs based on VESC, Unity, PPM escs and Flipsky Non vesc escs Feature: Optimize The Throttle Control with Hall Sensor Technology : Enhanced Precision, Increased Durability, Comfortable to Use Horn Button: This dedicated button allows users to trigger the horn quickly, which improves application convenience and safety, especially for Flipsky NON VESC series ESC Model Button: Freedom to switch between three modes (Normal Mode,