This is the Shearwater Next Gen SWIFT AI Transmitter for Scuba Diving Features: Smart AI Technology: 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 Compatible with all air integrated Shearwater dive computers: Connects to Teric, Perdix AI and Nerd 2 computers Compatible with many other computers that are already on the market LED status indicator Easy 'no tools' installation and removal on divers first stage Compatible with all existing air integrated Shearwater dive computers and many other computers already on the market 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.