1) complete security sytstem with waterproof camera, 4ch DVR, 500GB HDD,15" monitor and accessory 2)Easy to install ... DVR, car DVR, DVR card, CCTV KIT, Wireless surveillance systerm, LCD and Monitor, lens, cctv accessory etc.Company websites www.elpcctv.com 4ch digital ... cctv system with 15" monitor ELP-DVR1804T51P-106LP