For the ultimate in convenience and ease of use this 4 channel WiFi NVR hits the spot. This NVR features a built-in WiFi router with WPS (WiFI Protected Setup) for one button setup. No more CAT-5 cables running from your cameras to the NVR just mount your cameras and add power and point them at your wireless NVR. The system is perfect for small offices, restaurants, and homes. ICRealtime offers multiple cameras that work both inside and outside with this NVR. Welcome to the future of surveillance.