Defender SENTINEL2VU 4 Channel DVR Security System with 4 Outdoor Night Vision CCD Cameras and 8.5-Inch LCD Monitor (Black) Record up to 154 days on the included 160GB Seagate hard drive Do-it-yourself system allows you to set up and monitor your property without need for a professional installer The four indoor/outdoor high resolution cameras are equipped with night vision for around the clock monitoring Watch video on the included 8.5-Inch LCD monitor 24/7 lifetime customer support representatives will help whenever you need it. Just call 1-866-946-7828