Mares Quad Air w/ LED TransmitterMagnificently clear display with jumbo size informationHoseless tank data integration for up to three transmittersThree-row layout comprises all relevant data including tank pressureTwo customizable fields for ancillary informationFour buttons for intuitive user interfaceMirrored button function during diveOption to view dive time including secondsRunaway deco alarmMultigas capableDecompression dive planner with user adjustable surface intervalLong battery life, user replaceable