Reolink RLK8-410B4 5MP surveillance systems are designed to meet your home and business needs with easy installation and operation. This powerful 8-channel network video recorder system supports video recording of up to 8 cameras at the same time. Besides the in-box 4 bullet waterproof 4MP cameras, you can add another 4 cameras to expand the system for complete surveillance in large areas, such as your home, office, store, etc.