What is the product 4MP DVR also known as?

4 Megapixel DVR, 4MP Digital Video Recorder, 4MP Security DVR, 4MP CCTV DVR, 4MP Analog DVR, 4MP DVR with Hard Drive, 4MP DVR System, 4MP DVR Kit, 4MP Multi-Channel DVR, 4MP Video Recorder, 4MP DVR Box, 4MP DVR for Surveillance, 4MP Security DVR Recorder, 4MP Standalone DVR, 4MP Recording Device