I've bought 6 G3 bullets and replaced 4 so far 2 were DOA, 1 had a bad IR sensor (so no night vision), the 4th didn't sync the system. I had no problems with the G3 Flex cameras. I'm not sure what's going on with QC at ubiquiti, but it was a big headache and a big disappointment. It should be noted that cameras that work properly are really great!
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