AquaLung Wireless Transmitter activity-underwater-photography Please note this backpad is

Please note this backpad is compatible with the Hollis 1

front cover and valve housing and offers best-in-class breathing performance

holds upto 2

or breathing rate

so it works in right-or-left hand positions without kinks in the hose

AquaLung Wireless Transmitter activity-underwater-photography Please note this backpad isAqua Lungs Transmitters, used in conjunction with a compatible wrist computer, allow you to monitor current pressure and gas time remaining without a stiff high pressure hose, while providing a more streamlined profile. Features Hoseless Gas Pressure Transmission for the i450T and i770R Once set, the transmitter is permanently paired and will not accidentally pair with other computers Battery is user changeable and commercially available Nitrox