Shearwater Swift Transmitter is a next generation smart AI transmitter. The Swift allows divers to carry multiple transmitters reliably. The collision avoidance protocol allows for multiple transmitters to be used at the same time with a lower likelihood of dropped communications. The Swift is designed and built in Canada for demanding divers of all proficiency levels. Features: Advanced collision avoidance system ensures reliability using multiple transmitters Randomized transmit interval allows for reliable simultaneous use of multiple SWIFT transmitters Up to 300 dive hours LED status indicator Easyno toolsinstallation and removal on divers first stage Compatible with all existing air integrated Shearwater dive computers and many other computers already on the market   Depth limit 200msw Operating temperature range +4C to +34C Short-term (hours) temperature range -10C to +50C Pressure port 7/16" - 20NF Rated air pressure 300 bar/4350 psi Pressure reporting resolution 0.14 bar /