eBay Chronograph Underperforms What is Wrong With It

This video shows a brand new eBay Chronograph that is very inaccurate and doesn't work at all in some cases.

[@Dave_2A]

Your chronograph is in meters per second......

[@briansventures]

User error... put it in fps

[@ItAintMeBabe99]

Dude, your chrono is in meters per second. Find the instructions and change it to FPS.

[@MaxsGarajMahal]

Yeah, I did that but forgot to switch the video. The seller affirmed it was registering slow and replaced it. The replacement is correct now.
Thanks.

[@jamescharles1756]

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