Take the hassles out of security with Swann’s latest wireless high definition network video recording surveillance system No need for messy cables around your home or business - the cameras & the NVR connect wirelessly in minutes using your existing Wi-Fi network Place Swann’s cameras anywhere indoors or outdoors & see crystal clear full HD 1080p image quality Hear what’s happening while you’re away as cameras have built-in microphones with audio up to 16ft/5m See in the dark with IR cut filters to provide powerful night vision up to 66ft/20m with lenses that provide enhanced detail. Expand your system by adding 2 more cameras for full 4 channel monitoring