Transmiter looks like it hasn't been used but it's battery was faulty so was replaced witth new Varta 1/2AA. I don't have any tanks or dive computer  to test it but it looks good to me. When I replaced the battery green led blinked a couple of times. You'll get what's in pictures.


Compatibility:

This transmitter is compatible with the following Suunto dive computers:
 • D9
 • D9tx
 • DX
 • D4i
 • D4i Novo
 • D6i
 • D6i Novo
 • Vytec
 • Vytec DS
 • Vyper Novo
 • Vyper Air
 • HelO2