Walmart offers the Netgear Arlo Pro Security System with Two Weatherproof Wireless 720p Cameras for $419.99. Choose in-store pickup to drop that to $329.89. That's $6 below our March mention and the lowest price we've seen. (Outside of the shipped prices below, it's the best deal now by $90.) The system includes two cameras and a base station. Each weatherproof wireless camera features a 1280x720 video capture resolution, 130° viewing angle, night vision up to 25 feet via 850 infrared LEDs, motion detection, 2-way audio, rechargeable battery, and magnetic mount. The base station features a 100-decibel siren, support for live monitoring, Ethernet, and USB.
Need it shipped? For not too much more, Newegg and Amazon both offer it for $336.62 with free shipping, and Best Buy via eBay offers it for $339.99 with free shipping.