Dual-Hole High-Frequency Survival Whistle - Professional Outdoor Safety Equipment
Ultra-loud 120dB treble sound penetrates dense forests and stormy conditions, ensuring emergency signals are heard up to 2km away. Precision-engineered ABS polymer construction resists corrosion, impact, and extreme temperatures (-20°C to 60°C). Dual-hole aerodynamic design produces sharper, longer-lasting bursts than single-hole models—critical for mountain rescue, referee sports, and wilderness survival kits. Ergonomic lip grip prevents slippage during use with gloves or wet hands. Compact 5cm size clips seamlessly to backpacks, life vests, or tactical gear. Trusted by hikers, coaches, and disaster preparedness teams for its military-grade reliability. Ships in bulk for teams, schools, or safety organizations—wholesale pricing ensures unbeatable value.