Ring Pro low Voltage all of a sudden started 7/31(Bad Audio before this)

Hi Marley, tonight I noticed my volatge is dropping again to poor. It is show right at 3900 and below. I did have a person at my door today and when I went to go live from work I noticed the picture got pixilated after a few seconds and locked up. I thought it was maybe just something with my cell service, but now I am having that issue and poor volatage while using your AC adaptor.