My second A129 !

Indeed, very annoying cricket noise. Try to test it inside the house. Use a powerbank to avoid any interference from the grid. On a positive note, the image is crystal clear.
 
by VIOFO A129 Dash Cam 3 Wire Acc HK3 Hardwired Kit , the first one I was received not had this issues ! same power kit.
 
by VIOFO A129 Dash Cam 3 Wire Acc HK3 Hardwired Kit , the first one I was received not had this issues ! same power kit.
I would try the included 12V car adapter and Viofo USB cable just to be sure.
 
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