Blue Ocean Rugged Megaphone — EU Version Color:Tan/Olive reliable environmental monitoring with documented

reliable environmental monitoring with documented data logging

ballistics calculations

Relative Humidity Sensor

Is there a subscription fee

Blue Ocean Rugged Megaphone — EU Version Color:Tan/Olive reliable environmental monitoring with documentedThis is the European version which has a charger designed for EU outlets The only megaphone built tough enough to endure any environmental condition or job related hazard. Blue Ocean Rugged Megaphone Overview Uniquely designed and carefully built to defy the severe environmental elements that commonly ruin other megaphones: corrosion, cracking, breaking, water damage. Plus, the long lasting rechargeable battery means you never have to replace multiple