swanns network video recording security system with 4 megapixels super high definition live viewing playback at 25 fps per channel includes 4 x security cameras capable of generating super high definition 4 megapixels 75 more than 1080p video with ir cut filters for powerful night vision to 100ft30m a weather resistant rating of ip66 for indoor outdoor use you can also hear whats happening as each camera has a built in microphone for crystal clear audio set forget by rec