Have used them for 4 hour sessions so far. The shooting range is more than adequate and they haven't shot yet. I plan to put velcro on them so they don't hang on my wire strobes. If I need more receivers I will definitely order more as they are reasonably priced and do the job as expected. However, I can't vouch for their durability yet as it has been less than a month since I've used them. Update: 7 months later and they're still working great like the day I got them and still on the same set of batteries. I have ordered two more.
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