Walmart offers the Zmodo 720p Mini WiFi Smart Security Camera 4-Pack for $64.16 with free shipping. That's $16.04 per camera and tied with our mention from three weeks ago as the best per-unit price we've seen. (It's a low for the quantity today by $31.)

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Features include:
  • 720p video resolution
  • 115° field of view
  • night vision up to 16 feet & motion detection
  • 2-way audio
  • 36-hour cloud storage of motion detection alert video clips
  • 2.4GHz WiFi with AES 256-bit encryption
  • remote access and notifications via the Zmodo mobile app