WIRELESS TANK PRESSURE TRANSMITTER The Suunto Wireless tank pressure transmitter gives you current tank pressure and remaining air time with just a glance at your wrist. Before your dive, simply pair the transmitter with your dive computer and you’re good to go. The transmitter’s handy green LED light lets you know that it’s on. Suunto Wireless Tank Pressure Transmitter is compatible with Suunto D9, DX, D9tx, D4i, D4i Novo, D6i, D6i Novo, Vytec, Vytec DS, Vyper Novo, Vyper Air, and HelO2. PRODUCT HIGHLIGHTS Compatible with Suunto air-integrated dive computers Green LED light to indicate data sending Battery life approx. 2 years (100 dives/year)