1) complete security sytstem with waterproof camera, 4ch DVR, 500GB HDD,15" monitor and accessory 2)Easy to install ... in good appearance.Our productCCTV Camera, IP Camera, USB camera, car camera, standalone DVR, all in one LCD combo DVR, car DVR, DVR card, CCTV KIT, Wireless ... cctv accessory etc.Company websites www.elpcctv.com 4CH Complete security cctv CAMERA system ELP-DVR1804T51P-106LP