The M105 Digital is a surface to diver communication unit which allows surface personnel to talk with divers in the water & vice versa. The unit uses a 6v DC lead battery, allowing up to 48hrs of operation, or may be hardwired to a 12v DC source. The system is activated only when the transducer is connected, preventing unwanted loss of battery power.

Includes:

• Headphones & connection
• Volume control & Loudspeaker
• Water resistant case w/ pressure compensation valve
• Battery charger
• Connector & cable for external 12v DC source
• Audio out cable