Robust Aluminum Build Constructed from durable aluminum alloy for a sturdy mechanical structure. frequency alarm delivers a powerful 110 dB sound to command immediate attention during emergencies. Adjustable Volume Control There is a way to adjust the volume. UltraPortable Design Compact, lightweight handheld construction for easy portability and deployment. Operates without electricity or batteries in urgent scenarios. LongRange Acoustic Engineered for sound projection with penetrating alarm waves that travel long distances. Maintains consistent performance through repeated use in demanding environments. Use scenarios Outdoor activities such as camping or hiking for emergency signaling or locating teammates. Power outages or disaster situations where battery signaling is essential. Construction sites, search and rescue missions, or large outdoor events needing clear, farreaching alert.