AQUATEC Diving Duo-Alert Air Powered Surface & Underwater Signaling Device Scuba Dive BC BCD Gear, Model III

Features: Aquatec Duo-Alert Air Powered Surface & UnderWater (U/W) Signaling Device Signal in U/W and Surface, Volume:Approx. U/W:115-125dB Surface: 125~130dB It's very loud keep away from your ears. After each dive, the device should be pressurized, and activated in order to blow the trapped water out of unit. Always rinse with fresh water after use. Model III - Fits Aeris Air Link, Oceanic Air XS2, Zeagle Octo+, Aqualung Air Mic, Seaquest Air Source, Apeks Octo+ or Beuchat Venturi system. (4713072080127) Details: This new AQUATEC Duo Alert is very compact in size. Only the best quality components are used in manufacturing of the AQUATEC Duo-Alert. The loud resonating frequency generated by this horn can be heard on the surface or approximately over a 1.0K range and U/W approximately 100 meters The AQUATEC Duo-Alert is not only stating to be major requirement for many Dive-aboard and dive operations; it is also an essential piece of gear that will add to the enjoyment of the dive