Swann DVR4-4480V +

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Swann DVR4-4480V 4 Channel Digital Video Recorder with 32GB Micro SD Card & 4 True Detect Bullet Camera $348 @ Harvey Norman

expired Swann DVR4-4480V 4 Channel Digital Video Recorder with 32GB Micro SD Card & 4 True Detect Bullet Camera $348 @ Harvey Norman

I think cheapest 4 unit cameras that works with Google home. U can cast the video on your tv.