Mares Transmitter LED Tank Module Add HP Spigot (when used with short HP hose) (+$5):Yes (+$5) These boots are a great

These boots are a great asset if you have to walk over rocks when entering and exiting the water and the velcro retainer keeps the zips closed during the dives

The best price-to-performance ratio in its class

The transmitter features a handy green LED light

2L twin cylinders with a standard 232 Bar DIN/Yoke Manifold

Mares Transmitter LED Tank Module Add HP Spigot (when used with short HP hose) (+$5):Yes (+$5) These boots are a greatThe Mares LED Tank Module Transmitter allows you to read your air pressure quickly and accurately using your Mares air integrated dive computer. Mounted onto your first stage via a high pressure port, it can be connected to your computer quickly. Tank volumes can be set, and the computer can calculate your consumption in litres and calculate bottom times based on gas supply. The LED module is colour coded so it can be seen by your buddy easily,