Mares LED Transmitter Tank ModuleThe Mares LED Transmitter Tank Module transmits cylinder pressure to your Mares dive computer, providing a color coded estimate of gas level for practical planning during scuba and diving activities. Mounted on the first stage, it integrates with your computer to give you clear visibility of tank status both on the surface and underwater. The device uses a bright, Coloured LED display to signal gas level and low air situations, helping divers and