EcoBlast Sport Features:
•Recharge using air from bicycle pump or air compressor
•Powerful 120 dB sound
•Can be heard up to one mile (1.6 km) away
•Up to 50 half-second blasts per 80 PSI charge
•Ideal for sporting events - stadium-safe and no chemicals
•Environmentally-friendly - 100% ozone-safe!
•Weight: 0.78 lb