Mares LED tank module

The Mares tank module transmits tank information to Mares Icon Hd or Mares Quad Air computer. This transmitter has a color LED for quick tank check on the surface or to alert the dive buddy of a low air situation during the dive. Transmits tank information. Color LED for quick tank check on the surface. Color LED alerts the buddy of a low air situation during the dive. Permanent pairing. EN250:2014 certified to 300 bar. Battery type: CR123A, user replaceable.