Outdoor Camera With Built In Audio

So I got call from customer. Who want an outdoor camera that has built in audio. He want to record audio of barking dogs at apartment that he owns.

He also want to install it himself.

I was thinking just selling him 4CH with built in PoE NVR. Hikvision/duhua/samsung

Having hard time finding camera with built in microphone and outdoor rated. My guess because doesn't work very well.

Anyone have any ideas on a good solution for

1 camera

simple to install

cheap 500 dollar range

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