Suunto Wireless Tank Pressure LEDWIRELESS TANK PRESSURE TRANSMITTER LED 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 youre good to go. The transmitters handy green LED light lets you know that its on. Compatible with Suunto air integrated dive computers, including DX, D9tx, D6i, D4i Novo, D4i, Vyper Air, and HelO2 PRODUCT