Samsung SDE-3003N is an 4 channel security system perfect for your home or business. Samsung is a name you can count on and they bring you a security system you can depend on at an affordable price. The system includes 4 cameras for its 4 channels. Each camera is tested and rated weather proof. Samsung SDE-3003N also comes with a 1TB hard drive. All you need for your security system is here! High Resolution Cameras Designed to Last All cameras included in the system record at 520TVL. Expect clear and crisp images. They also include auto activated Infrared lights for night vision capabilities that can record discreetly up to 50ft of night time conditions illuminated by light that is invisible to the human eye. These cameras are rated IP66, making them both dust and weather proof. Lastly, they are connected and powered to your DVR system by a single cable, making installation a snap. State-of-the-art Security, Designed with your Convenience in Mind. The SDE-3003N offers dependable security and features developed with your convenience in minds. With our Anytime/Anywhere viewing, you can monitor your system on the go on your phone or on a PC. You can monitor your system from anywhere in the world. With SmartViewing, you can monitor an infinite number of systems spread out all over the world in one central location. Also, with our search and review menu, searching and reviewing archived video in your DVR is a snap. It's truly a system that is designed with your convenience in mind.