Surveon CAM2321 is a 3 megapixel network camera with dual memory card slots and tampering detection for SMB and enterprise users. With 3 megapixel CMOS sensor and WDR (Wide Dynamic Range) function, CAM2321 has a superior performance with enhanced image quality. It is an ideal solution for indoor applications, such as stadiums, airports, shopping malls, and banks, the megapixel range will extend your capability to protect the building, the people, and your business.