Amron AMCOM I 2810 05 One Diver Communicator with Rechargeable Battery Underwater Chipping Hammer the TP08 will pump over 2 2418 0020 the TP08 will pump over 800 gpm 3 Neoprene (Medium) 1 510 683 Chin Cushion 1 510 747 Oral Nasal Mask 1 510 754 Head Cushion Assembly 1 510 776 Exhaust Valve 2 515 033 Communications Set 1 520 020 Valve Body 1 520 022 Exhaust Valve Insert 1 520 200 Valve Seat 2 525 309 Kit The Amron International AMCOM™ I Communicator with Rechargeable Battery boasts 20 watts of audio power with state of the art electronics to make the AMCOM™ I Series the best portable one diver communicator for hard wire underwater radio communication on the market It now features a built in internal charger with integrated intelligent battery charging circuitry and 12V rechargeable battery