swanns network video recording security system with 4 megapixels super high definition live viewing playback at 25 fps per channel includes 2 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 add 2 more compatible cameras for complete 4 channel monitoring you can also hear whats happening as each camera has a b