THIS PRODUCT COMES COMPLETE WITH FULL MANUFACTURERS WARRANTY

*Specifically designed as an acoustic underwater telephone for the Sport Diver *It uses ultrasonic upper single side band for transmission *The diver utilizes his own face mask and 2nd stage regulator *Comes complete with a HM-2 black silicone mouth mask *Your second stage regulator easily installs to the HM-2 mouth mask *A unique push-to-talk system *When the diver enters the water, it powers up to the receive mode - ready to receive a message *Comes with a hot mike * FULL MANUFACTURER´S WARRANTY *SCUBA diving equipment