Eyevison 4CH 1080P Network Video Recorder NVR + 4pcs 720P WIFI IP Bullet Network Cameras Security Cam System Kit With 500G Hardisk 4x WIFI IP 720P Security Camera 1x 4CH 1080P NVR 1x 500GB HDD Easy to installation make your home more saftly 4x 12V 2A Camera Power Adapter