High-Resolution Distributed Acoustic Sensing (HR-DAS) represents a transformative leap in fibre optic sensing technology, redefining the way vibrations and acoustic events are detected and monitored. By utilising Ultra-low Loss Enhanced Backreflecting (ULEB) fibre, HR-DAS offers exceptional spatial resolution, ultra-high sampling rate, and unparalleled sensitivity, making it ideal for a broad spectrum of applications. From critical infrastructure monitoring to environmental surveillance, HR-DAS provides an innovative, scalable, and highly adaptable solution, delivering actionable insights with exceptional accuracy and reliability. This cutting-edge technology opens new frontiers in sensing, enabling advanced capabilities for even the most demanding challenges.