Yep then she will be in the situation I'm in right now, having to replace it. Why not get a good one from the git. And avoid buying twice?????OP is a new diver. Put this on the least conservative setting and it will be perfectly fine for the next couple hundred dives.
But if you really want to avoid RGBM, then a Oceanic Veo 2.0 on a wrist mount is another excellent low cost option if you can find one.
veo 2.0