Sound innovation - designed for the extreme! Features: The Fox 40 Sharx® is designed specifically for the outdoorsMade from durable polycarbonate and co-molded elastomer for added comfort and slip resistanceIdeal for search & rescue, outdoor and personal safetyDesigned to perform in all weather conditionsNo moving parts to freeze, jam or deteriorateFlawless, consistent and reliableThe harder you blow, the louder the soundEasy to blow and cannot be overblownChambers are designed to self-clear when submerged in waterWill be heard above ambient noise, loud crowds, the roar of engines, breaking waves and thundering gale-force windsSound will be heard up to a mile away Design: 2-chamber pealess + CMGSound Power: 120 dB Price : 450฿ Free Shipping