Buy from Amazon : br br ZOSI 8CH Channel DVR 800TVL Outdoor Vandalproof Dome IR CCTV Video Home Security Camera System br br H264 Video Compression 8CH DVR NO Hard disk br Includes 4 Indooroutdoor Cameras with 800 TV Lines of Resolution br Stream Live Video Directly to a remote MAC or PC iPhone iPad or Android br Receive email alerts upon motion detection br One year quality warranty