
· Surface unit
o 2 ports for 2 communication cables
o On/off and volume adjustment switches
o Microphone
o Switch for communication between surface/diver 1, surface/diver 2, surface/diver 1/diver 2
o Headset port (headset optional)
o External power charger, 9/12v (cable optional)
o Battery charger port
o Audio/video recall
o Incorporated speaker
o 6v rechargeable battery
o Underwater unit volume adjustment (for both divers)
o Rechargeable battery with 24 hours standby operations