Ocean Reef M-105 Digital Transceiver Surface Unit Scuba Diving Fins sign up for the PADI

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Ocean Reef M-105 Digital Transceiver Surface Unit Scuba Diving Fins sign up for the PADIOverview The new M105 surface units are equipped with an incorporated and easy to read LED battery tester which shows the power status of the battery Characteristics of M105 Digital The M105 Digital is a surface to diver communication unit which allows surface personnel to talk with divers in the water and vice versa The unit uses a 6 VDC lead battery, allowing up to 48 hours of operation, or maybe hardwired to a 12 VDC source The system is activated