Meet the Zmodo Replay: a WiFi security system that supports up to 4 smart cameras, allowing you to keep an eye on your property. It comes with 2 outdoor cameras with night vision. You will be able to monitor your home from the app or through the web. You get an alert when your smartphone detects motion.
This system is compatible with iOS and Android devices. You can get this kit with a 500 GB or 1 TB hard drive installed, with 24/7 continuous recording for up to 50 days. Sets you back under $300 at this time.