SCUBAPRO Transmitter Smart + Pro

Easy to use, you only need to pair it to your computer once - the first time you use it and compact size improves first stage mounting options, Coded transmission technology prevents interference between different dive computers, More visible LED indicator status light: 1450 PSI and over = Slow Short Blinking Green Light; Between 1450 PSI and 725 PSI = Short Double Blinking Yellow Light; Below 725 PSI = Long Single Blink Red Light, Powered by a user-replaceable CR-2PE/BN lithium battery that's good for three years or 250 to 300 hours of diving, whichever comes first, Compatible with the HUD, G2, A2, Luna 2.0 and G3 personal dive computers, Compatible with the HUD, G2, A2, Luna 2.0 and G3 personal dive computers