From what I've read the USB Werk is regarded by some as unreliable
What's considered most reliable?
Igaro got used by quite a few TCR rides. They've updated it recently as well to include addons such as a small buffer battery (actually a super-capacitor) and a power switch so you can isolate it entirely.
@r_mash started
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From what I've read the USB Werk is regarded by some as unreliable