Garmin T1 Transmitter

With the T1 transmitter, you can get tank pressure, air time remaining, air consumption, and battery level sent directly to a paired compatible Descent dive computer—the Descent Mk2i can pair with up to five transmitters. SubWave sonar technology allows the T1 to communicate with computers within a range of up to 10 meters, so you can dive with multiple tanks or monitor a buddy.

Click here for more information