Track your every breath when you pair the Descent™ T1 transmitter with compatible Descent™ dive computer via SubWave™ sonar technology. This duo enables you to monitor your tank pressure, remaining air time and air consumption rate for multiple types of diving. Easily install Descent T1 on your high-pressure regulator port without the need for a hose. You can pair up to 5 transmitters with each Descent Mk2i dive computer, so you can dive with multiple tanks or see your buddy’s air levels with additional equipment (sold separately) and required device paring.