That Mountain climbers enduring sub zero degree temperatures would never in a million years choose an oxygen meter driven by a coiled steel spring inside a pvc tube for VERY OBVIOUS reasons. It doesn't pass the laugh test even for this hokey scam.
(sides still aching from the day Sand announced that 2 guys with big fro's in a pink caddilac robbed him of thousands of dollars cash at gunpoint at Ingen HQ)