Ocean Reef GSM MERCURY - DUAL POWER (New!) mask-accessories Do You Dive Nitrox

Do You Dive Nitrox

As a vital piece of scuba gear

the more heat you loose from the head by radiation

and a bottle opener

these transceivers are highly practical and reliable for snorkeling

Ocean Reef GSM MERCURY - DUAL POWER (New!) mask-accessories Do You Dive NitroxThe Ocean Reef GSM MERCURY DUAL POWER is an underwater wireless communication device built for scuba and diving applications. This model features two channels with channel 1 at normal power and a second mode with reduced power to help maintain sound clarity in confined waters such as pools. The result is dependable audio for group communication beneath the surface. Designed for rugged diving environments, the GSM Mercury Dual Power integrates with